Biography of Constance Penthièvre Duchess Brittany 1161-1201

Paternal Family Tree: Vannes

Maternal Family Tree: Adela Valois Countess Blois and Vermandois

In 1161 Constance Penthièvre Duchess Brittany was born to Conan "The Young" Penthièvre IV Duke Brittany (age 23) and Margaret Dunkeld Duchess Brittany (age 16). She a great x 2 granddaughter of King Henry I "Beauclerc" England.

Between Feb 1171 and Apr 1175 [her step-father] Humphrey Bohun (age 27) and [her mother] Margaret Dunkeld Duchess Brittany (age 26) were married. She the daughter of [her grandfather] Henry Dunkeld 3rd Earl Huntingdon 1st Earl of Northumbria and [her grandmother] Ada Warenne Countess Huntingdon and Northumbria (age 51).

On 20 Feb 1171 [her father] Conan "The Young" Penthièvre IV Duke Brittany (age 33) died. His daughter Constance Penthièvre Duchess Brittany (age 10) succeeded Duchess Brittany, 3rd Countess Richmond.

In Jul 1181 Geoffrey Plantagenet 2nd Duke Brittany (age 22) and Constance Penthièvre Duchess Brittany (age 20) were married. She by marriage Duchess Brittany. He by marriage Duke Brittany. She the daughter of Conan "The Young" Penthièvre IV Duke Brittany and Margaret Dunkeld Duchess Brittany (age 36). He the son of King Henry "Curtmantle" II of England (age 48) and Eleanor of Aquitaine Queen Consort Franks and England (age 59). They were half second cousin once removed. She a great x 2 granddaughter of King Henry I "Beauclerc" England.

In 1184 [her daughter] Eleanor "Fair Maid of Britanny" 4th Countess of Richmond was born to [her husband] Geoffrey Plantagenet 2nd Duke Brittany (age 25) and Constance Penthièvre Duchess Brittany (age 23) at Bristol Castle, Gloucestershire [Map]. She a granddaughter of King Henry "Curtmantle" II of England.

In 1185 [her daughter] Maud or Matilda Plantagenet was born to [her husband] Geoffrey Plantagenet 2nd Duke Brittany (age 26) and Constance Penthièvre Duchess Brittany (age 24). She a granddaughter of King Henry "Curtmantle" II of England.

On 19 Aug 1186 [her husband] Geoffrey Plantagenet 2nd Duke Brittany (age 27) died at Paris [Map].

In 1187 [her son] Arthur Plantagenet 3rd Duke Brittany was born posthumously to [her former husband] Geoffrey Plantagenet 2nd Duke Brittany and Constance Penthièvre Duchess Brittany (age 26). He a grandson of King Henry "Curtmantle" II of England.

In 1188 Ranulf de Blondeville Gernon 6th Earl Chester 1st Earl Lincoln (age 18) and Constance Penthièvre Duchess Brittany (age 27) were married. She by marriage Countess Chester. She the daughter of Conan "The Young" Penthièvre IV Duke Brittany and Margaret Dunkeld Duchess Brittany (age 43). He the son of Hugh de Kevelioc Gernon 5th Earl Chester and Bertrade Montfort Countess Chester. They were half third cousins. He a great x 2 grandson of King Henry I "Beauclerc" England. She a great x 2 granddaughter of King Henry I "Beauclerc" England.

Before 1194 [her uncle] David Dunkeld 8th Earl Huntingdon (age 41) and [her sister-in-law] Matilda Gernon Countess Huntingdon (age 22) were married. She by marriage Countess Huntingdon. She the daughter of Hugh de Kevelioc Gernon 5th Earl Chester and Bertrade Montfort Countess Chester. He the son of [her grandfather] Henry Dunkeld 3rd Earl Huntingdon 1st Earl of Northumbria and [her grandmother] Ada Warenne Countess Huntingdon and Northumbria. She a great x 2 granddaughter of King Henry I "Beauclerc" England.

Death of Richard I

                    On 06 Apr 1199 [her former brother-in-law] King Richard "Lionheart" I of England (age 41) was besieging Châlus Chabrol Castle, Domfront. During the course of the evening King Richard "Lionheart" I of England was shot by a crossbow. The wound quickly became gangrenous; Richard died in the arms of his mother [her former mother-in-law] Eleanor of Aquitaine Queen Consort Franks and England (age 77). His brother [her former brother-in-law] King John of England (age 32) succeeded I King of England.
                
                    There was a brother between Richard and John named [her former husband] Geoffrey Duke of Brittany who had a son [her son] Arthur (age 12), who was around twelve, and a daughter [her daughter] Eleanor (age 15), who was around fifteen, whose mother was Constance Penthièvre Duchess Brittany (age 38).
                
                    King Philip II of France (age 33) had planned for Eleanor to marry his son, probably to bring Brittany into the French Royal family, possibly to pursue a claim on England.
                
                    King Philip II of France supported Arthur's claim to the English throne. In the resulting war Arthur was captured, imprisoned and never seen again. Eleanor was captured, probably around the same time as Arthur, and imprisoned, more or less, for the remainder of her life, even after King John's death through the reign of King Henry III since she represented a threat to Henry's succession.

Before 1200 Guy Thouars (age 59) and Constance Penthièvre Duchess Brittany (age 38) were married. The difference in their ages was 21 years. She the daughter of Conan "The Young" Penthièvre IV Duke Brittany and Margaret Dunkeld Duchess Brittany (age 54). She a great x 2 granddaughter of King Henry I "Beauclerc" England.

In 1201 [her mother] Margaret Dunkeld Duchess Brittany (age 56) died.

On 01 Sep 1201 [her daughter] Catherine Thouars was born to [her husband] Guy Thouars (age 61) and Constance Penthièvre Duchess Brittany (age 40). She a great x 3 granddaughter of King Henry I "Beauclerc" England.

On 05 Sep 1201 [her daughter] Alix Thouars Duchess of Brittany was born to [her husband] Guy Thouars (age 61) and Constance Penthièvre Duchess Brittany (age 40). She a great x 3 granddaughter of King Henry I "Beauclerc" England.

On 05 Sep 1201 Constance Penthièvre Duchess Brittany (age 40) died. Her son [her son] Arthur Plantagenet 3rd Duke Brittany (age 14) succeeded 3rd Duke Brittany, 4th Earl Richmond.

On 12 Apr 1213 [her former husband] Guy Thouars (age 73) died.

On 26 Oct 1232 [her former husband] Ranulf de Blondeville Gernon 6th Earl Chester 1st Earl Lincoln (age 62) died at Wallingford Castle [Map]. His nephew John Dunkeld 9th Earl Huntingdon 7th Earl Chester (age 25) succeeded 7th Earl Chester.

William de Hertburn Fitzpatrick and [her mother] Margaret Dunkeld Duchess Brittany were married. She the daughter of [her grandfather] Henry Dunkeld 3rd Earl Huntingdon 1st Earl of Northumbria and [her grandmother] Ada Warenne Countess Huntingdon and Northumbria.

[her father] Conan "The Young" Penthièvre IV Duke Brittany and [her mother] Margaret Dunkeld Duchess Brittany were married. She by marriage Duchess Brittany. She the daughter of [her grandfather] Henry Dunkeld 3rd Earl Huntingdon 1st Earl of Northumbria and [her grandmother] Ada Warenne Countess Huntingdon and Northumbria. He the son of [her grandfather] Alan "Black" Penthièvre 1st Earl Richmond and [her grandmother] Bertha Canhiart I Duchess Brittany. They were half fourth cousins. He a great grandson of King Henry I "Beauclerc" England.

[her son] Pierre Thouars was born to Guy Thouars and Constance Penthièvre Duchess Brittany. He a great x 3 grandson of King Henry I "Beauclerc" England.

[her son] Thomas Thouars was born to Guy Thouars and Constance Penthièvre Duchess Brittany. He a great x 3 grandson of King Henry I "Beauclerc" England.