Biography of Thomas Berkeley 6th and 1st Baron Berkeley 1245-1321
Paternal Family Tree: Berkeley
On 29 Nov 1243 [his grandfather] Thomas Berkeley 4th Baron Berkeley (age 73) died at Berkeley Castle [Map]. He was buried at St Augustine's Abbey, Bristol [Map]. His son [his father] Maurice Berkeley 5th Baron Berkeley (age 25) succeeded 5th Baron Berkeley Feudal. [his mother] Isabella Plantagenet Baroness Berkeley by marriage Baroness Berkeley Feudal.
On 23 Jul 1245 Thomas Berkeley 6th and 1st Baron Berkeley was born to Maurice Berkeley 5th Baron Berkeley (age 27) and Isabella Plantagenet Baroness Berkeley at Berkeley Castle [Map]. He a great grandson of King John "Lackland" of England.
In 1247 [his father] Maurice Berkeley 5th Baron Berkeley (age 29) and [his mother] Isabella Plantagenet Baroness Berkeley were married. She a granddaughter of King John "Lackland" of England.
In or before 1257 William Marshal (age 43) and [his future sister-in-law] Elizabeth Ferrers (age 16) were married. The difference in their ages was 26 years. She the daughter of William Ferrers 5th Earl of Derby and Margaret Quincy Countess Derby. She a great x 4 granddaughter of King Henry I "Beauclerc" England. 
After 1265 Dafydd ap Gruffudd Aberffraw Prince of Wales (age 26) and [his future sister-in-law] Elizabeth Ferrers (age 25) were married. She the daughter of William Ferrers 5th Earl of Derby and Margaret Quincy Countess Derby. He a great grandson of King John "Lackland" of England. She a great x 4 granddaughter of King Henry I "Beauclerc" England.
In or before 1268 Thomas Berkeley 6th and 1st Baron Berkeley (age 22) and Joan Ferrers Baroness Berkeley were married. She the daughter of William Ferrers 5th Earl of Derby and Margaret Quincy Countess Derby. He a great grandson of King John "Lackland" of England. She a great x 4 granddaughter of King Henry I "Beauclerc" England.
Around 1268 [his daughter] Alice Berkeley was born to Thomas Berkeley 6th and 1st Baron Berkeley (age 22) and [his wife] Joan Ferrers Baroness Berkeley at Berkeley Castle [Map]. She a great x 2 granddaughter of King John "Lackland" of England.
Around 1268 [his daughter] Margaret Berkeley was born to Thomas Berkeley 6th and 1st Baron Berkeley (age 22) and [his wife] Joan Ferrers Baroness Berkeley. She a great x 2 granddaughter of King John "Lackland" of England.
In Apr 1271 [his son] Maurice Berkeley 7th and 2nd Baron Berkeley was born to Thomas Berkeley 6th and 1st Baron Berkeley (age 25) and [his wife] Joan Ferrers Baroness Berkeley at Berkeley Castle [Map]. He a great x 2 grandson of King John "Lackland" of England.
Around 1280 [his son] Thomas Berkeley was born to Thomas Berkeley 6th and 1st Baron Berkeley (age 34) and [his wife] Joan Ferrers Baroness Berkeley. He a great x 2 grandson of King John "Lackland" of England.
Around 1281 [his daughter] Isabel Berkeley was born to Thomas Berkeley 6th and 1st Baron Berkeley (age 35) and [his wife] Joan Ferrers Baroness Berkeley. She a great x 2 granddaughter of King John "Lackland" of England.
On 04 Apr 1281 [his father] Maurice Berkeley 5th Baron Berkeley (age 63) died at Thornbury, Gloucestershire. He was buried at St Augustine's Abbey, Bristol [Map]. His son Thomas Berkeley 6th and 1st Baron Berkeley (age 35) succeeded 6th Baron Berkeley Feudal. [his wife] Joan Ferrers Baroness Berkeley by marriage Baroness Berkeley Feudal.
On 20 Dec 1287 [his brother-in-law] William Ferrers (age 47) died at Groby, Leicestershire.
In 1289 [his son] Maurice Berkeley 7th and 2nd Baron Berkeley (age 17) and [his daughter-in-law] Eva Zouche (age 8) were married. He a great x 2 grandson of King John "Lackland" of England. 
In 1290 [his daughter] Alice Berkeley (age 22) died.
On 11 May 1290 [his sister-in-law] Agnes Ferrers died.
On 24 Jun 1295 King Edward "Longshanks" I of England (age 56) created new baronies through writs for summons to his 36th Parliament
John Montfort 1st Baron Montfort (age 31) was created 1st Baron Montfort. Alice Plaunche Baroness Montfort by marriage Baroness Montfort.
Walter Fauconberg 1st Baron Fauconberg (age 75) was created 1st Baron Fauconberg.
Thomas Furnival 1st Baron Furnivall (age 35) was created 1st Baron Furnivall. Joan Despencer Baroness Furnivall (age 37) by marriage Baroness Furnivall.
Robert Fitzwalter 1st Baron Fitzwalter (age 48) was created 1st Baron Fitzwalter. Eleanor Ferrers Baroness Fitzwalter by marriage Baroness Fitzwalter.
Ralph Basset 1st Baron Basset Drayton (age 31) was created 1st Baron Basset Drayton. Hawise Grey Baroness Basset Drayton (age 40) by marriage Baroness Basset Drayton.
The following Baronies may have been created at the 36th Parliament or the 37th Parliament summoned on 30 Sep 1295.
John Wake 1st Baron Wake of Liddell (age 27) was created 1st Baron Wake of Liddell.
Andrew Astley 1st Baron Astley (age 49) was created 1st Baron Astley.
Thomas Berkeley 6th and 1st Baron Berkeley (age 49) was created 1st Baron Berkeley. [his wife] Joan Ferrers Baroness Berkeley by marriage Baroness Berkeley.
Reginald Grey 1st Baron Grey of Wilton (age 55) was created 1st Baron Grey of Wilton. Maud Fitzhugh Baroness Grey Wilton (age 73) by marriage Baroness Grey of Wilton.
John Hastings 13th Baron Bergavenny 1st Baron Hastings (age 33) was created 1st Baron Hastings by a summons to Parliament. Isabel Valence Baroness Bergavenny Baroness Hastings by marriage Baroness Hastings.
Ralph Neville 1st Baron Neville of Raby (age 32) was created 1st Baron Neville Raby. Euphemia Clavering Baroness Neville Raby (age 28) by marriage Baroness Neville Raby.
John Beke 1st Baron Beke (age 72) was created 1st Baron Beke (although there is some doubt whether he was created Baron).
Fulk Fitzwarin 1st Baron Fitzwarin (age 43) was created 1st Baron Fitzwarin.
Around Jun 1297 [his sister-in-law] Elizabeth Ferrers (age 57) died.
On 12 Mar 1298 [his sister-in-law] Maud Ferrers died.
On 22 Jul 1298 King Edward "Longshanks" I of England (age 59) defeated the Scottish army led by William Wallace during the Battle of Falkirk at Falkirk [Map] using archers to firstly attack the Scottish shiltrons with the heavy cavalry with infantry completing the defeat.
John de Graham and John Stewart of Bonkyll (age 52) were killed.
The English were described in the Falkirk Roll that lists 111 men with their armorials including:
Guy Beauchamp 10th Earl Warwick (age 26).
Walter Beauchamp (age 55).
Roger Bigod 5th Earl Norfolk (age 53).
Humphrey Bohun 3rd Earl Hereford 2nd Earl Essex (age 49).
Robert Clifford 1st Baron Clifford (age 24).
Hugh "Elder" Despencer 1st Earl Winchester (age 37).
William Ferrers 1st Baron Ferrers of Groby (age 26).
Thomas Berkeley 6th and 1st Baron Berkeley (age 52).
[his son] Maurice Berkeley 7th and 2nd Baron Berkeley (age 27).
Henry Grey 1st Baron Grey of Codnor (age 43).
Reginald Grey 1st Baron Grey of Wilton (age 58).
John Grey 2nd Baron Grey of Wilton (age 30).
John Mohun 1st Baron Dunster (age 29).
Simon Montagu 1st Baron Montagu (age 48).
Roger Mortimer 1st Earl March (age 11).
William Ros 1st Baron Ros Helmsley (age 43).
John Segrave 2nd Baron Segrave (age 42).
Nicholas Segrave (age 42).
Robert de Vere 6th Earl of Oxford (age 41).
Alan Zouche 1st Baron Zouche Ashby (age 30).
Thomas Plantagenet 2nd Earl of Leicester, 2nd Earl Lancaster, Earl of Salisbury and Lincoln (age 20).
Henry Plantagenet 3rd Earl of Leicester 3rd Earl Lancaster (age 17).
John Warenne 6th Earl Surrey (age 67).
Henry Percy 9th and 1st Baron Percy (age 25).
Hugh Courtenay 9th Earl Devon (age 21).
Richard Fitzalan 8th Earl Arundel (age 31).
Henry Beaumont Earl Buchan (age 19).
John Capet II Duke Brittany (age 59).
Philip Darcy (age 40).
Robert Fitzroger.
Robert Fitzwalter 1st Baron Fitzwalter (age 51), or possiby a Roger Fitzwalter?.
Aymer de Valence 2nd Earl Pembroke (age 23).
John Wake 1st Baron Wake of Liddell (age 30), and.
Henry Lacy 4th Earl Lincoln, Earl Salisbury (age 47).
William Scrope (age 53) was knighted.
John Moels 1st Baron Moels (age 29) fought.
John Lovell 1st Baron Lovel (age 44) fought.
Before 09 Mar 1301 seven Earls and 96 Barons signed a letter to the Pope refuting the Pope's claim that Scotland was subject to the Pope's feudal overlordship. The letter was never sent. Those who signed include: John Warenne 6th Earl Surrey (age 70), Thomas Plantagenet 2nd Earl of Leicester, 2nd Earl Lancaster, Earl of Salisbury and Lincoln (age 23), Ralph Monthermer 1st Baron Monthermer (age 31), Humphrey Bohun 4th Earl Hereford 3rd Earl Essex (age 25), Roger Bigod 5th Earl Norfolk (age 56), Richard Fitzalan 8th Earl Arundel (age 34), Guy Beauchamp 10th Earl Warwick (age 29), Aymer de Valence 2nd Earl Pembroke (age 26), William Leybourne 1st Baron Leybourne (age 59), Henry Plantagenet 3rd Earl of Leicester 3rd Earl Lancaster (age 20), William Latimer 1st Baron Latimer of Corby (age 58), Edmund Hastings, John Hastings 2nd Baron Hastings 14th Baron Bergavenny (age 14), Edmund Mortimer 2nd Baron Mortimer of Wigmore (age 50), Fulk Fitzwarin 2nd Baron Fitzwarin (age 16), Henry Percy 9th and 1st Baron Percy (age 27), Robert Fitzwalter 1st Baron Fitzwalter (age 54), John Beauchamp 1st Baron Beauchamp Somerset (age 26), William de Braose 2nd Baron de Braose (age 41), John Botetort 1st Baron Botetort (age 36), Reginald Grey 1st Baron Grey of Wilton (age 61), John Moels 1st Baron Moels (age 32), Thomas Berkeley 6th and 1st Baron Berkeley (age 55), Robert de Vere 5th Earl of Oxford, John Strange 1st Baron Strange Knockin (age 48), Thomas Multon 1st Baron Multon (age 25), Robert Clifford 1st Baron Clifford (age 26), Walter Beauchamp (age 58), Alan Zouche 1st Baron Zouche Ashby (age 33), John Segrave 2nd Baron Segrave (age 45), William Ferrers 1st Baron Ferrers of Groby (age 29), Simon Montagu 1st Baron Montagu (age 51), Piers Mauley, Ralph Neville 1st Baron Neville of Raby (age 38), John Mohun 1st Baron Dunster (age 32), Roger Scales 1st Baron Scales, Thomas Furnival 1st Baron Furnivall (age 41), Hugh Bardolf 1st Baron Bardolf (age 41), Gilbert Talbot 1st Baron Talbot (age 24), William Deincourt 1st Baron Deincourt, Edmund Stafford 1st Baron Stafford (age 28), Walter Fauconberg 1st Baron Fauconberg (age 81). 
In May 1306 [his sister-in-law] Agatha Ferrers died.
On 19 Mar 1309 [his wife] Joan Ferrers Baroness Berkeley died.
In 1316 [his son] Maurice Berkeley 7th and 2nd Baron Berkeley (age 44) and [his daughter-in-law] Isabella Clare Baroness Berkeley (age 53) were married. She the daughter of Gilbert "Red Earl" Clare 7th Earl Gloucester 6th Earl Hertford and Alice or Alix Lusignan Countess Gloucester and Hertford. They were third cousin once removed. He a great x 2 grandson of King John "Lackland" of England. She a great x 5 granddaughter of King Henry I "Beauclerc" England. 
Around 1317 [his son] John Berkeley died.
Around 1320 [his daughter] Margaret Berkeley (age 52) died.
On 23 Jul 1321 Thomas Berkeley 6th and 1st Baron Berkeley (age 76) died at St Augustine's Abbey, Bristol [Map]. His son [his son] Maurice Berkeley 7th and 2nd Baron Berkeley (age 50) succeeded 7th Baron Berkeley Feudal, 2nd Baron Berkeley. [his daughter-in-law] Isabella Clare Baroness Berkeley (age 59) by marriage Baroness Berkeley Feudal, Baroness Berkeley.
William Ferrers and Anne Despencer were married. He the son of William Ferrers 5th Earl of Derby and Margaret Quincy Countess Derby. They were fourth cousins. He a great x 4 grandson of King Henry I "Beauclerc" England. She a great x 4 granddaughter of King Henry I "Beauclerc" England.
William Vesci and Agnes Ferrers were married. She the daughter of William Ferrers 5th Earl of Derby and Sibyl Marshal. She a great x 4 granddaughter of King Henry I "Beauclerc" England. 
William Ferrers and Anne Durward were married. He the son of William Ferrers 5th Earl of Derby and Margaret Quincy Countess Derby. They were third cousin once removed. He a great x 4 grandson of King Henry I "Beauclerc" England. She a great x 4 granddaughter of King Henry I "Beauclerc" England.
William Ferrers and Eleanor of Louvain were married. He the son of William Ferrers 5th Earl of Derby and Margaret Quincy Countess Derby. He a great x 4 grandson of King Henry I "Beauclerc" England. 
Hugh Mortimer and Agatha Ferrers were married. She the daughter of William Ferrers 5th Earl of Derby and Sibyl Marshal. He a great grandson of King John "Lackland" of England. She a great x 4 granddaughter of King Henry I "Beauclerc" England.
[his son] John Berkeley was born to Thomas Berkeley 6th and 1st Baron Berkeley and Joan Ferrers Baroness Berkeley. He a great x 2 grandson of King John "Lackland" of England.
[his son] Bishop James Berkeley was born to Thomas Berkeley 6th and 1st Baron Berkeley and Joan Ferrers Baroness Berkeley. He a great x 2 grandson of King John "Lackland" of England.
Ralph Stourton and [his daughter] Alice Berkeley were married. She a great x 2 granddaughter of King John "Lackland" of England. 
Kings Wessex: Great x 7 Grand Son of King Edmund "Ironside" I of England
Kings England: Great Grand Son of King John "Lackland" of England
Kings Scotland: Great x 5 Grand Son of Malcolm III King Scotland
Kings Franks: Great x 13 Grand Son of Louis "Pious" King Aquitaine I King Franks
Kings France: Great x 7 Grand Son of Robert "Pious" II King France
King Henry VII of England and Ireland x 1
Queen Catherine Howard of England x 1
Jane "Nine Days Queen" Grey I Queen England and Ireland x 1
President George Washington x 1
Queen Elizabeth II of the United Kingdom x 115
Queen Consort Camilla Shand x 48
Great x 4 Grandfather: Eadnoth the Constable aka Staller
Great x 3 Grandfather: Harding Fitzharding
Great x 2 Grandfather: Robert Fitzharding 1st Baron Berkeley
Great x 3 Grandmother: Lavinda Unknown
Great x 1 Grandfather: Maurice Fitzharding aka Berkeley 2nd Baron Berkeley
Great x 2 Grandmother: Eva Unknown Baroness Berkeley
GrandFather: Thomas Berkeley 4th Baron Berkeley
Great x 3 Grandfather: William Berkeley
Great x 2 Grandfather: Roger Berkeley
Great x 1 Grandmother: Alice Berkeley Baroness Berkeley
Father: Maurice Berkeley 5th Baron Berkeley
Great x 1 Grandfather: Ralph Somery 1st Baron Dudley
GrandMother: Joan Somery Baroness Berkeley
Great x 1 Grandmother: Margaret Gras Baroness Dudley
Thomas Berkeley 6th and 1st Baron Berkeley Great Grand Son of King John "Lackland" of England
Great x 4 Grandfather: Fulk "Young" King Jerusalem
Great x 3 Grandfather: Geoffrey Plantagenet Duke Normandy
Great x 4 Grandmother: Ermengarde La Flèche De Baugency Countess Anjou
Great x 2 Grandfather: King Henry "Curtmantle" II of England Grand Son of King Henry I "Beauclerc" England
Great x 4 Grandfather: King Henry I "Beauclerc" England
Son of King William "Conqueror" I of England
Great x 3 Grandmother: Empress Matilda Daughter of King Henry I "Beauclerc" England
Great x 4 Grandmother: Edith aka Matilda Dunkeld Queen Consort England
Great x 1 Grandfather: King John "Lackland" of England Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: William "Troubadour" Poitiers IX Duke Aquitaine
Great x 3 Grandfather: William "Saint" Poitiers X Duke Aquitaine
Great x 4 Grandmother: Philippa Rouerge Duchess Aquitaine
Great x 2 Grandmother: Eleanor of Aquitaine Queen Consort Franks and England
Great x 4 Grandfather: Aimery Chatellerault Viscount Châtellerault
Great x 3 Grandmother: Aenor Chatellerault Duchess Aquitaine
Great x 4 Grandmother: Dangereuse Ile Bouchard Viscountess Chatellerault
GrandFather: Richard Fitzroy Son of King John "Lackland" of England
Great x 4 Grandfather: Fulk "Young" King Jerusalem
Great x 3 Grandfather: Geoffrey Plantagenet Duke Normandy
Great x 4 Grandmother: Ermengarde La Flèche De Baugency Countess Anjou
Great x 2 Grandfather: Hamelin Warenne 4th Earl Surrey
Great x 3 Grandmother: Mistress Unknown
Great x 1 Grandmother: Adela Plantagenet
Great x 4 Grandfather: William Warenne 2nd Earl Surrey
Great x 3 Grandfather: William Warenne 3rd Earl Surrey
Great x 4 Grandmother: Elizabeth Capet Countess Leicester, Meulan and Surrey
Great x 2 Grandmother: Isabella Warenne Countess Boulogne 4th Countess of Surrey
Great x 4 Grandfather: William "Talvas" Montgomery III Count Ponthieu
Great x 3 Grandmother: Adela Montgomery Countess of Salisbury and Surrey
Great x 4 Grandmother: Helie Burgundy Countess Ponthieu
Mother: Isabella Plantagenet Baroness Berkeley Grand Daughter of King John "Lackland" of England
Great x 1 Grandfather: Fulbert de Dover
GrandMother: Rohese de Dover