Biography of Gilbert de Clare 8th Earl Gloucester 7th Earl Hertford -1314
Paternal Family Tree: Norman
Maternal Family Tree: Etienette Countess Provence and Arles
Gilbert de Clare 8th Earl Gloucester 7th Earl Hertford was born to Gilbert "Red Earl" Clare 7th Earl Gloucester 6th Earl Hertford and Joan of Acre Countess Gloucester and Hertford. He a grandson of King Edward "Longshanks" I of England.
In 1253 [his father] Gilbert "Red Earl" Clare 7th Earl Gloucester 6th Earl Hertford (age 9) and Alice or Alix Lusignan Countess Gloucester and Hertford (age 16) were married. She the daughter of Hugh Lusignan XI Count Lusignan VI Count La Marche II Count Angoulême and Yolande Capet Countess Lusignan, La Marche and Angoulême (age 34). He the son of Richard de Clare 6th Earl Gloucester 5th Earl Hertford (age 30) and Maud Lacy Countess Gloucester and Hertford (age 29). He a great x 4 grandson of King Henry I "Beauclerc" England. She a great x 5 granddaughter of King Henry I "Beauclerc" England. 
On 14 Jul 1262 [his grandfather] Richard de Clare 6th Earl Gloucester 5th Earl Hertford (age 39) died. His son [his father] Gilbert "Red Earl" Clare 7th Earl Gloucester 6th Earl Hertford (age 18) succeeded 7th Earl Gloucester, 6th Earl Hertford, 9th Lord Clare, 3rd Lord Glamorgan. Alice or Alix Lusignan Countess Gloucester and Hertford (age 26) by marriage Countess Gloucester, Countess Hertford.
On 31 Oct 1266 the Dictum of Kenilworth was issued. The Dictum was a peace agreement between King Henry III of England (age 59) and the rebels who were besieged in the impregnable Kenilworth Castle [Map]. The committee included:
Bishop Walter Branscombe (age 46).
Archbishop Walter Giffard (age 41).
Gilbert de Clare 8th Earl Gloucester 7th Earl Hertford.
Humphrey Bohun 2nd Earl Hereford 1st Earl Essex (age 62).
Philip Basset (age 82).
John Balliol (age 58).
Robert Walerand.
Alan Zouche (age 63).
Roger Somery 2nd Baron Dudley (age 76), and.
Warin Bassingbourne.
Robert Ferrers 6th Earl of Derby (age 27) and Henry Hastings (age 31) were fined seven times their annual income. The Dictum, however, required the rebels to pay their fines before being restored to their lands; something of a Catch-22 since if they weren't restored to their lands, they would have no income to pay the fine.
On 30 Apr 1290 [his father] Gilbert "Red Earl" Clare 7th Earl Gloucester 6th Earl Hertford (age 46) and [his mother] Joan of Acre Countess Gloucester and Hertford (age 18) were married at Clerkenwell [Map]. She by marriage Countess Gloucester, Countess Hertford. The difference in their ages was 28 years. She the daughter of King Edward "Longshanks" I of England (age 50) and Eleanor of Castile Queen Consort England (age 49). He the son of Richard de Clare 6th Earl Gloucester 5th Earl Hertford and Maud Lacy Countess Gloucester and Hertford. He a great x 4 grandson of King Henry I "Beauclerc" England.
On 07 Dec 1295 [his father] Gilbert "Red Earl" Clare 7th Earl Gloucester 6th Earl Hertford (age 52) died at Monmouth Castle [Map]. He buried at Tewkesbury Abbey [Map]. His son Gilbert de Clare 8th Earl Gloucester 7th Earl Hertford succeeded 8th Earl Gloucester, 7th Earl Hertford, 8th Lord Clare, 4th Lord Glamorgan.
In Jan 1297 Ralph Monthermer 1st Baron Monthermer (age 27) and [his mother] Joan of Acre Countess Gloucester and Hertford (age 24) were married in secret greatly offending her father [his grandfather] King Edward "Longshanks" I of England (age 57) who had been planning to marry her to Amadeus V "Great" Savoy (age 47) in March. Ralph Monthermer 1st Baron Monthermer (age 27) was imprisoned at Bristol Castle, Gloucestershire [Map]; he was released in Aug 1297. She the daughter of King Edward "Longshanks" I of England (age 57) and Eleanor of Castile Queen Consort England.
On 12 Jan 1297 Thomas de Multon 1st Baron Multon (age 20) and [his future sister-in-law] Eleanor Burgh Baroness Multon Egremont (age 15) were married. She the daughter of Richard "Red Earl" Burgh 2nd Earl Ulster (age 38) and Margaret Burgh Countess Ulster.
On 23 Apr 1307 [his mother] Joan of Acre Countess Gloucester and Hertford (age 35) died at Clare, Suffolk [Map].
On 29 Sep 1308 (possibly 30th) in a Siblings Marriage de Clare siblings married de Burgh siblings at Waltham Abbey [Map] in the presence of King Edward II of England (age 24).
John Burgh (age 22) and Elizabeth Clare Lady Verdun (age 13) were married. She the daughter of Gilbert "Red Earl" Clare 7th Earl Gloucester 6th Earl Hertford and Joan of Acre Countess Gloucester and Hertford. He the son of Richard "Red Earl" Burgh 2nd Earl Ulster (age 49) and Margaret Burgh Countess Ulster. She a granddaughter of King Edward "Longshanks" I of England.
Gilbert de Clare 8th Earl Gloucester 7th Earl Hertford and Matilda Burgh Countess Gloucester and Hertford (age 20) were married. She by marriage Countess Gloucester, Countess Hertford. She the daughter of Richard "Red Earl" Burgh 2nd Earl Ulster (age 49) and Margaret Burgh Countess Ulster. He the son of Gilbert "Red Earl" Clare 7th Earl Gloucester 6th Earl Hertford and Joan of Acre Countess Gloucester and Hertford. He a grandson of King Edward "Longshanks" I of England.
Calendars. On 16 Jan 1310 King Edward II of England (age 25). Stamford [Map]. To the Sheriff of York. Order to proclaim that the king does not intend to change the money current in the Kingdom in the late King's time, as had been rumoured, and to forbid anyone from thinking little of it, whereby victuals and other necessaries may be sold more dearly.
The like to all the Sheriffs of England [Ibid].
Enrolment of deed of Peter de Gavaston (age 26), knight, surrendering to the king the castle, manor, and honour of Knaresborough [Map], with the free chase of Knaresborough, and the manors of Routheclyve and Auldburgh, lately granted to him by the King for his lifetime. Witnesses: Gilbert de Clare 8th Earl Gloucester 7th Earl Hertford, Henry Lacy 4th Earl Lincoln, Earl Salisbury (age 59), John Warenne 7th Earl Surrey (age 23), John de Brittania, Earl of Richmond, Hugh "Elder" Despencer 1st Earl Winchester (age 48), Henry Percy 9th and 1st Baron Percy (age 36), Robert son of Walter, Robert son of Payn, William de Burford, William Inge. Dated at Stamford [Map] July 26, 3 Edward II.
Enrolment of like surrender by the said Peter (age 26) of the county of Gaure and the castles of Talanon, Tantalon, and Mauleon, the provostships (preposituras) and Camparian(um) called 'la Cointal' and of the city of Bayonne, the manor of Erebafaveyra, Born, Comtad, Salmun, Dagenes, and the island of Oleron, and the lands of Marempne and of Lancras in Saintogne, and all rights, appurtenances, etc., etc., thereto pertaining to the king, which the king lately granted him for life. Witnesses as above. Dated August 4, 3 Edward II.
Memorandum, that this deed was delivered to the king in his chamber in the House of the Friars Preachers, Stamford [Map] at Stamford, by the hands of the said Peter (age 26) and the king delivered the said deed to J his chancellor, to be enrolled in the chancery, and it was afterwards delivered to Ingelard de Warle, keeper of the King's Wardrobe to be kept in the king's wardrobe, but the king's charters that the said Peter hereof were not then restored.[CONTINUES].
Around 19 Mar 1311 the nobility attempt to constrain [his uncle] King Edward II of England (age 26) by imposing a Council of Ordainers upon him. The Council included twenty-one signatories including:
Guy Beauchamp 10th Earl Warwick (age 39).
Robert Clifford 1st Baron Clifford (age 36).
Thomas Plantagenet 2nd Earl of Leicester, 2nd Earl Lancaster, Earl of Salisbury and Lincoln (age 33).
Gilbert de Clare 8th Earl Gloucester 7th Earl Hertford.
Henry Lacy 4th Earl Lincoln, Earl Salisbury.
John Capet 4th Earl Richmond (age 45).
William Marshal 1st Baron Marshal (age 33), and.
Aymer de Valence 2nd Earl Pembroke (age 36).
On 18 Jun 1313 [his brother-in-law] John Burgh (age 27) died.
Before 23 Jun 1314 Usk Castle, Monmouthshire [Map] was held by Gilbert de Clare 8th Earl Gloucester 7th Earl Hertford.
On 24 Jun 1314 the Scottish army of Robert "The Bruce" I King Scotland (age 39) including, James "Black" Douglas (age 28), heavily defeated the English army led by [his uncle] King Edward II of England (age 30) at the Battle of Bannockburn.
Gilbert de Clare 8th Earl Gloucester 7th Earl Hertford was killed. Earl Gloucester, Earl Hertford extinct.
John Comyn 4th Lord Baddenoch (age 20), Robert Felton 1st Baron Felton (age 44) and William Vesci were killed.
William Marshal 1st Baron Marshal (age 36) was killed. His son John Marshal 2nd Baron Marshal (age 22) succeeded 2nd Baron Marshal.
Robert Clifford 1st Baron Clifford (age 40) was killed. His son Roger Clifford 2nd Baron Clifford (age 14) succeeded 2nd Baron de Clifford.
John Lovell 2nd Baron Lovel (age 25) was killed. His son John Lovell 3rd Baron Lovel succeeded 3rd Baron Lovel of Titchmarsh.
Henry Bohun was killed by Robert "The Bruce" I King Scotland (age 39). He was buried in Llanthony Secunda Priory, Gloucestershire [Map].
Walter Fauconberg 2nd Baron Fauconberg (age 50) possilby died although his death is also reported as being on 31 Dec 1318.
Bartholomew Badlesmere 1st Baron Badlesmere (age 38), Humphrey Bohun 4th Earl Hereford 3rd Earl Essex (age 38), Goronwy ap Tudur Hen Tudor, Henry Beaumont Earl Buchan (age 35), Aymer de Valence 2nd Earl Pembroke (age 39) and Robert Umfraville 8th Earl Angus (age 37) fought.
Pain Tiptoft 1st Baron Tibetot (age 34) was killed. His son John Tiptoft 2nd Baron Tibetot succeeded 2nd Baron Tibetot.
John Montfort 2nd Baron Montfort (age 23) was killed. Peter Montfort 3rd Baron Montfort (age 23) succeeded 3rd Baron Montfort.
Thomas Grey (age 34) undertook a suicidal charge that contributed to the English defeat and subsequently blemished his career.
William Latimer 2nd Baron Latimer of Corby (age 38) was captured.
Michael Poynings (age 44) was killed.
In 1320 [his former wife] Matilda Burgh Countess Gloucester and Hertford (age 32) died.
Maurice Fitzgerald 1st Earl Desmond and Catherine Burgh were married. She the daughter of Richard "Red Earl" Burgh 2nd Earl Ulster and Margaret Burgh Countess Ulster.
Kings Wessex: Great x 8 Grand Son of King Edmund "Ironside" I of England
Kings England: Grand Son of King Edward "Longshanks" I of England
Kings Scotland: Great x 6 Grand Son of Malcolm III King Scotland
Kings Franks: Great x 4 Grand Son of Louis VII King Franks
Kings France: Great x 5 Grand Son of Louis "Fat" VI King France
Great x 4 Grandfather: Richard de Clare
Great x 3 Grandfather: Roger Clare 2nd Earl Hertford
Great x 4 Grandmother: Alice Gernon
Great x 2 Grandfather: Richard Clare 3rd Earl Hertford
Great x 3 Grandmother: Maud St Hilary Countess Hertford
Great x 1 Grandfather: Gilbert Clare 5th Earl Gloucester 4th Earl Hertford 2 x Great Grand Son of King Henry I "Beauclerc" England
Great x 4 Grandfather: Robert Normandy 1st Earl Gloucester
Son of King Henry I "Beauclerc" England
Great x 3 Grandfather: William Fitzrobert 2nd Earl Gloucester Grand Son of King Henry I "Beauclerc" England
Great x 4 Grandmother: Mabel Fitzhamon Countess Gloucester
Great x 2 Grandmother: Amice Fitzrobert Countess Hertford Great Grand Daughter of King Henry I "Beauclerc" England
Great x 4 Grandfather: Robert Beaumont 2nd Earl of Leicester
Great x 3 Grandmother: Hawise Beaumont Countess Gloucester
Great x 4 Grandmother: Amice Gael Countess Leicester
GrandFather: Richard de Clare 6th Earl Gloucester 5th Earl Hertford 3 x Great Grand Son of King Henry I "Beauclerc" England
Great x 3 Grandfather: John Fitzgilbert
Great x 2 Grandfather: William Marshal 1st Earl Pembroke
Great x 4 Grandfather: Walter of Salisbury 2nd Baron Chitterne
Great x 3 Grandmother: Sybil of Salisbury
Great x 4 Grandmother: Sybilla Chaworth Baroness Chitterne
Great x 1 Grandmother: Isabel Marshal Countess Cornwall, Gloucester and Hertford
Great x 4 Grandfather: Gilbert de Clare 1st Earl Pembroke
Great x 3 Grandfather: Richard "Strongbow" Clare 2nd Earl Pembroke
Great x 4 Grandmother: Isabel Beaumont Countess Pembroke
Great x 2 Grandmother: Isabel Clare Countess Pembroke
Great x 4 Grandfather: Diarmait Macmurrough
Great x 3 Grandmother: Aoife NI Diarmait Macmurrough Countess Pembroke and Buckingham
Father: Gilbert "Red Earl" Clare 7th Earl Gloucester 6th Earl Hertford 4 x Great Grand Son of King Henry I "Beauclerc" England
Great x 4 Grandfather: Richard Fitzeustace 5th Baron of Halton
Great x 3 Grandfather: John Fitzrichard 6th Baron Halton
Great x 4 Grandmother: Albreda Lissours
Great x 2 Grandfather: Roger Lacy 6th Baron Pontefract 7th Baron Halton
Great x 4 Grandfather: Ralph Essex
Great x 3 Grandmother: Alice Essex
Great x 4 Grandmother: Alice Vere Baroness Warkworth
Great x 1 Grandfather: John Lacy Earl Lincoln
Great x 2 Grandmother: Maud Clere Baroness Lacy Baroness Warkworth
GrandMother: Maud Lacy Countess Gloucester and Hertford 4 x Great Grand Daughter of King Henry I "Beauclerc" England
Great x 4 Grandfather: Robert Quincy
Great x 3 Grandfather: Saer Quincy 1st Earl Winchester
Great x 2 Grandfather: Robert Quincy Earl Lincoln
Great x 4 Grandfather: Robert Beaumont 3rd Earl of Leicester
Great x 3 Grandmother: Margaret Beaumont Countess Winchester
Great x 4 Grandmother: Petronilla Grandesmil Countess Leicester
Great x 1 Grandmother: Margaret Quincy 3rd Countess Lincoln and Pembroke 3 x Great Grand Daughter of King Henry I "Beauclerc" England
Great x 4 Grandfather: Ranulf Gernon 4th Earl Chester
Great x 3 Grandfather: Hugh de Kevelioc Gernon 5th Earl Chester Great Grand Son of King Henry I "Beauclerc" England
Great x 4 Grandmother: Matilda Fitzrobert Countess Chester Grand Daughter of King Henry I "Beauclerc" England
Great x 2 Grandmother: Hawise Gernon 2nd Countess Lincoln 2 x Great Grand Daughter of King Henry I "Beauclerc" England
Great x 4 Grandfather: Simon "Chauve" Montfort 4th Count Évreux
Great x 3 Grandmother: Bertrade Montfort Countess Chester
Great x 4 Grandmother: Mathilde Unknown Countess Évreux
Gilbert de Clare 8th Earl Gloucester 7th Earl Hertford Grand Son of King Edward "Longshanks" I of England
Great x 4 Grandfather: Geoffrey Plantagenet Duke Normandy
Great x 3 Grandfather: King Henry "Curtmantle" II of England Grand Son of King Henry I "Beauclerc" England
Great x 4 Grandmother: Empress Matilda Daughter of King Henry I "Beauclerc" England
Great x 2 Grandfather: King John "Lackland" of England Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: William "Saint" Poitiers X Duke Aquitaine
Great x 3 Grandmother: Eleanor of Aquitaine Queen Consort Franks and England
Great x 4 Grandmother: Aenor Chatellerault Duchess Aquitaine
Great x 1 Grandfather: King Henry III of England Son of King John "Lackland" of England
Great x 4 Grandfather: William "Taillefer" Angoulême VI Count Angoulême
Great x 3 Grandfather: Aymer Angoulême I Count Angoulême
Great x 2 Grandmother: Isabella of Angoulême Queen Consort England
Great x 4 Grandfather: Peter Courtenay
Great x 3 Grandmother: Alice Courtenay Countess Angoulême
Great x 4 Grandmother: Elizabeth Courtenay
GrandFather: King Edward "Longshanks" I of England Son of King Henry III of England
Great x 4 Grandfather: Alfonso II King Aragon
Great x 3 Grandfather: Alfonso Barcelona II Count Provence
Great x 4 Grandmother: Sancha Ivrea Queen Consort Aragon
Great x 2 Grandfather: Raymond Berenguer Provence IV Count Provence
Great x 4 Grandfather: Rainou of Sabran
Great x 3 Grandmother: Gersenda II Sabran Countess Provence
Great x 1 Grandmother: Eleanor of Provence Queen Consort England
Great x 4 Grandfather: Humbert Savoy III Count Savoy
Great x 3 Grandfather: Thomas Savoy I Count Savoy
Great x 4 Grandmother: Beatrice Macon Countess Savoy
Great x 2 Grandmother: Beatrice Savoy Countess Provence
Great x 4 Grandfather: William I-Count Geneva
Great x 3 Grandmother: Margaret Geneva Countess Savoy
Mother: Joan of Acre Countess Gloucester and Hertford Daughter of King Edward "Longshanks" I of England
Great x 4 Grandfather: Alfonso VII King Castile VII King Leon
Great x 3 Grandfather: Ferdinand II King Leon
Great x 4 Grandmother: Berenguela Barcelona Queen Consort Castile and Leon
Great x 2 Grandfather: Alfonso IX King Leon
Great x 4 Grandfather: Afonso "Conqueror Founder Great" I King Portugal
Great x 3 Grandmother: Urraca Burgundy Queen Consort Leon
Great x 4 Grandmother: Malfada Savoy Queen Consort Portugal
Great x 1 Grandfather: Ferdinand III King Castile III King Leon Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Sancho III King Castile
Great x 3 Grandfather: Alfonso VIII King Castile
Great x 4 Grandmother: Blanche Ramirez Queen Consort Castile
Great x 2 Grandmother: Berengaria Ivrea I Queen Castile Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandfather: King Henry "Curtmantle" II of England Grand Son of King Henry I "Beauclerc" England
Great x 3 Grandmother: Eleanor Plantagenet Queen Consort Castile Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Eleanor of Aquitaine Queen Consort Franks and England
GrandMother: Eleanor of Castile Queen Consort England 2 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 3 Grandfather: Alberic Dammartin
Great x 2 Grandfather: Simon Dammartin
Great x 4 Grandfather: Renaud II Count Clermont
Great x 3 Grandmother: Mathilde Clermont
Great x 4 Grandmother: Adelaide I Countess Vermandois
Great x 1 Grandmother: Joan Dammartin Queen Consort Castile and Leon
Great x 4 Grandfather: John Montgomery I Count Ponthieu
Great x 3 Grandfather: William Montgomery IV Count Ponthieu
Great x 4 Grandmother: Beatrice St Pol Countess Ponthieu
Great x 2 Grandmother: Marie Montgomery Countess Ponthieu
Great x 4 Grandfather: Louis VII King Franks
Great x 3 Grandmother: Alys Capet Countess Ponthieu
Great x 4 Grandmother: Constance of Castile