Around Mar 1340 [her father] Thomas Holland 1st Earl Kent (age 26) and [her mother] Joan "Fair Maid of Kent" Princess Wales (age 11) were married in secret. It isn't clear whether the marriage was canonical given the secrecy; there were no witnesses. She twelve years old. A subsequent investigation by papal commissioners confirmed it as valid. She the daughter of Edmund of Woodstock 1st Earl Kent and Margaret Wake Countess Kent (age 42). He a great x 4 grandson of King Henry "Curtmantle" II of England. She a granddaughter of King Edward "Longshanks" I of England.
Around Nov 1340 [her step-father] William Montagu 2nd Earl Salisbury (age 12) and [her mother] Joan "Fair Maid of Kent" Princess Wales (age 12) were married. She was already married albeit secretly to [her father] Thomas Holland 1st Earl Kent (age 26). The subsequent investigation found her marriage to Thomas Holland 1st Earl Kent (age 26) to be valid. She the daughter of Edmund of Woodstock 1st Earl Kent and Margaret Wake Countess Kent (age 43). He the son of William Montagu 1st Earl Salisbury (age 39) and Catherine Grandison Countess of Salisbury 1304-1349 (age 36). She a granddaughter of King Edward "Longshanks" I of England.
On 16 Sep 1345 John Montfort IV Duke Brittany (age 50) died at Hennebont. His son [her future husband] John Montfort V Duke Brittany (age 6) succeeded V Duke Brittany 1221 Dreux. Mary Plantagenet Duchess Brittany by marriage Duchess Brittany 1221 Dreux.
In 1350 Joan Holland Duchess Brittany was born to Thomas Holland 1st Earl Kent (age 36) and Joan "Fair Maid of Kent" Princess Wales (age 21). She a great granddaughter of King Edward "Longshanks" I of England.
In 1352 [her father] Thomas Holland 1st Earl Kent (age 38) was created 1st Earl Kent, 1st Baron Holand.
On 26 Dec 1352 [her uncle] John Plantagenet 3rd Earl Kent 1330-1352 (age 22) died. He was buried at Greyfriars Church, Winchester [Map]. Earl Kent extinct. His sister [her mother] Joan "Fair Maid of Kent" Princess Wales (age 24) succeeded 5th Baroness Wake of Liddell. Some source suggest she also succeeded as 4th Countess of Kent but this is inconsistent with 1. her husband being created Earl of Kent as a new creation, and 2. her son not succeeding to the original Earldom?
On 26 Dec 1360 [her father] Thomas Holland 1st Earl Kent (age 46) died. His son [her brother] Thomas Holland 2nd Earl Kent (age 10) succeeded 2nd Earl Kent.
Around 03 Jul 1361 [her future husband] John Montfort V Duke Brittany (age 22) and Mary Plantagenet Duchess Brittany (age 16) were married. She the daughter of King Edward III of England (age 48) and Philippa of Hainault Queen Consort England (age 47). They were third cousins. He a great x 2 grandson of King Henry III of England.
On 10 Oct 1361 [her step-father] Edward "Black Prince" (age 31) and [her mother] Joan "Fair Maid of Kent" Princess Wales (age 33) were married at Windsor Castle [Map]. She by marriage Princess of Wales. His first wife, her second (or third depending on how you count them) husband. She had four children already. They had known each other since childhood. Thirty-one and thirty-three respectively. A curious choice for the heir to the throne; foreign princesses were usual. They were married nearly fifteen years and had two children. She the daughter of Edmund of Woodstock 1st Earl Kent and Margaret Wake Countess Kent. He the son of King Edward III of England (age 48) and Philippa of Hainault Queen Consort England (age 47). They were half first cousin once removed. She a granddaughter of King Edward "Longshanks" I of England.
In May 1366 John Montfort V Duke Brittany (age 27) and Joan Holland Duchess Brittany (age 16) were married. She by marriage Duchess Brittany 1221 Dreux. She the daughter of Thomas Holland 1st Earl Kent and Joan "Fair Maid of Kent" Princess Wales (age 37). They were third cousins. He a great x 2 grandson of King Henry III of England. She a great granddaughter of King Edward "Longshanks" I of England.
In 1372 [her husband] John Montfort V Duke Brittany (age 33) succeeded 6th Earl Richmond. Joan Holland Duchess Brittany (age 22) by marriage Countess Richmond.
On 02 Oct 1386 [her former husband] John Montfort V Duke Brittany (age 47) and Joanna of Navarre Queen Consort England (age 16) were married at Saillé [Map]. She by marriage Duchess Brittany 1221 Dreux, Countess Richmond. His third marriage, her first. The marriage proceeded when her father Charles "Bad" II King Navarre (age 53) agreed to give his daughter 120,000 gold francs and to pay 6,000 francs owed to John, duke of Brittany (age 47), for the rent of certain lands. He, John, gave her the cities of Nantes [Map] and Guerrand [Map]. The difference in their ages was 31 years. She the daughter of Charles "Bad" II King Navarre (age 53) and Joan Valois Queen Consort Navarre 1343-1373. They were second cousin twice removed. He a great x 2 grandson of King Henry III of England. She a great x 4 granddaughter of King Henry III of England.
On 01 Nov 1399 [her former husband] John Montfort V Duke Brittany (age 60) died. His son John Montfort V Duke Brittany (age 9) succeeded V Duke Brittany 1341 War of Sucession.
Paternal Family Tree: Holland
Maternal Family Tree: Clemence Roches Countess Blois
Descendants Family Trees:
Kings Wessex: Great x 9 Grand Daughter of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 6 Grand Daughter of Owain "Great" King Gwynedd 1100-1170
Kings Seisyllwg: Great x 12 Grand Daughter of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 7 Grand Daughter of Maredudd ap Bleddyn King Powys 1047-1132
Kings England: Great Grand Daughter of King Edward "Longshanks" I of England
Kings Scotland: Great x 7 Grand Daughter of Malcolm III King Scotland
Kings Franks: Great x 6 Grand Daughter of Louis VII King Franks
Kings France: Great x 2 Grand Daughter of Philip "Bold" III King France
Great x 2 Grandfather: Thurstan de Holland
Great x 1 Grandfather: Robert de Holand of Upholland
GrandFather: Robert Holland 1st Baron Holand
Father: Thomas Holland 1st Earl Kent 4 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Roger Zouche
Great x 3 Grandfather: Alan Zouche
Great x 4 Grandmother: Margaret Bisset
Great x 2 Grandfather: Roger Zouche 6 x Great Grand Son of King Henry I "Beauclerc" England
Great x 4 Grandfather: Roger de Quincy 2nd Earl Winchester
Great x 3 Grandmother: Helen or Ela Quincy 5 x Great Grand Daughter of King Henry I "Beauclerc" England
Great x 1 Grandfather: Alan Zouche 1st Baron Zouche Ashby 2 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: William "Longsword" Longespee Earl Salisbury Son of King Henry "Curtmantle" II of England
Great x 3 Grandfather: Stephen Longespée Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Ela of Salisbury 3rd Countess of Salisbury
Great x 2 Grandmother: Ela Longespée Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Walter Riddlesford
Great x 3 Grandmother: Emmeline Riddlesford
GrandMother: Maud Zouche Baroness Holand 3 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Stephen Segrave
Great x 3 Grandfather: Gilbert Segrave
Great x 4 Grandmother: Rohese Despencer
Great x 2 Grandfather: Nicholas Segrave 1st Baron Segrave
Great x 1 Grandmother: Eleanor Segrave
Great x 3 Grandfather: Geoffrey de Lucy of Newington in Kent
Great x 2 Grandmother: Maud de Lucy
Great x 4 Grandfather: William Cantilupe
Great x 3 Grandmother: Nichole Cantilupe
Joan Holland Duchess Brittany 1350-1384 Great Grand Daughter of King Edward "Longshanks" I of England
Great x 4 Grandfather: King Henry "Curtmantle" II of England Grand Son of King Henry I "Beauclerc" England
Great x 3 Grandfather: King John "Lackland" of England Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Eleanor of Aquitaine Queen Consort Franks and England
Great x 2 Grandfather: King Henry III of England Son of King John "Lackland" of England
Great x 4 Grandfather: Aymer Angoulême I Count Angoulême 1160-1202
Great x 3 Grandmother: Isabella of Angoulême Queen Consort England
Great x 4 Grandmother: Alice Courtenay Countess Angoulême -1218
Great x 1 Grandfather: King Edward "Longshanks" I of England Son of King Henry III of England
Great x 4 Grandfather: Alfonso Barcelona II Count Provence 1174-1209
Great x 3 Grandfather: Raymond Berenguer Provence IV Count Provence 1198-1245
Great x 2 Grandmother: Eleanor of Provence Queen Consort England
Great x 4 Grandfather: Thomas Savoy I Count Savoy
Great x 3 Grandmother: Beatrice Savoy Countess Provence 1198-1267
GrandFather: Edmund of Woodstock 1st Earl Kent Son of King Edward "Longshanks" I of England
Great x 4 Grandfather: Louis "Lion" VIII King France 3 x Great Grand Son of King William "Conqueror" I of England
Great x 3 Grandfather: King Louis IX of France Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Blanche Ivrea Queen Consort France Grand Daughter of King Henry "Curtmantle" II of England
Great x 2 Grandfather: Philip "Bold" III King France 2 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Raymond Berenguer Provence IV Count Provence 1198-1245
Great x 3 Grandmother: Margaret Provence Queen Consort France 1221-1295
Great x 4 Grandmother: Beatrice Savoy Countess Provence 1198-1267
Great x 1 Grandmother: Margaret of France Queen Consort England 1279-1318 3 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Henry Reginar II Duke Brabant 1207-1248 3 x Great Grand Son of King William "Conqueror" I of England
Great x 3 Grandfather: Henry Reginar III Duke Brabant 1230-1261 4 x Great Grand Son of King William "Conqueror" I of England
Great x 2 Grandmother: Maria Reginar Queen Consort France 1256-1321 5 x Great Grand Daughter of King William "Conqueror" I of England
Great x 4 Grandfather: Hugh IV Duke Burgundy 1213-1272 4 x Great Grand Son of King William "Conqueror" I of England
Great x 3 Grandmother: Adelaide Burgundy Duchess Brabant 1233-1273 5 x Great Grand Daughter of King William "Conqueror" I of England
Great x 4 Grandmother: Yolande Capet Duchess Burgundy 1212-1248
Mother: Joan "Fair Maid of Kent" Princess Wales Grand Daughter of King Edward "Longshanks" I of England
Great x 3 Grandfather: Hugh Wake
Great x 2 Grandfather: Baldwin Wake
Great x 4 Grandfather: Nicholas Stuteville
Great x 3 Grandmother: Joan Stuteville
Great x 1 Grandfather: John Wake 1st Baron Wake of Liddell 2 x Great Grand Son of King John "Lackland" of England
Great x 4 Grandfather: Saer Quincy 1st Earl Winchester 1170-1219
Great x 3 Grandfather: Robert Quincy
Great x 4 Grandmother: Margaret Beaumont Countess Winchester
Great x 2 Grandmother: Hawise Quincy Great Grand Daughter of King John "Lackland" of England
Great x 4 Grandfather: Llewellyn "The Great" Aberffraw
Great x 3 Grandmother: Elen ferch Llewellyn Aberffraw Countess Huntingdon and Mar Grand Daughter of King John "Lackland" of England
Great x 4 Grandmother: Joan Plantagenet Daughter of King John "Lackland" of England
GrandMother: Margaret Wake Countess Kent 3 x Great Grand Daughter of King John "Lackland" of England
Great x 4 Grandfather: William Fiennes
Great x 3 Grandfather: Enguerrand Ingleram Fiennes
Great x 4 Grandmother: Agnes Dammartin
Great x 2 Grandfather: William Fiennes
Great x 1 Grandmother: Joan Fiennes Baroness Wake Liddell 4 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandfather: John de Brienne I King Jerusalem
Great x 3 Grandfather: John Beaumont 2 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Beregaria Ivrea Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 2 Grandmother: Blanche Beaumont 3 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Geoffrey Chateaudun VI Viscount Châteaudun
Great x 3 Grandmother: Jeanne Chateaudun