Biography of Guy William Poitiers VIII Duke Aquitaine 1025-1086

Paternal Family Tree: Poitiers

In or before 1004 [his father] William "Great" V Duke Aquitaine (age 34) and Adalemode Limoges Duchess Aquitaine were married. She by marriage Duchess Aquitaine. He the son of [his grandfather] William "Proud Arm" IV Duke Aquitaine and [his grandmother] Emma Blois Duchess Aquitaine.

In or before 1010 [his father] William "Great" V Duke Aquitaine (age 40) and Sancha Gascony Duchess Aquitaine were married. She by marriage Duchess Aquitaine. He the son of [his grandfather] William "Proud Arm" IV Duke Aquitaine and [his grandmother] Emma Blois Duchess Aquitaine.

In or before 1023 [his father] William "Great" V Duke Aquitaine (age 53) and [his mother] Agnes Ivrea Duchess Aquitaine were married. She by marriage Duchess Aquitaine. She the daughter of [his grandfather] Otto William Ivrea I Count Burgundy (age 62) and [his grandmother] Ermentrude Countess Burgundy. He the son of [his grandfather] William "Proud Arm" IV Duke Aquitaine and [his grandmother] Emma Blois Duchess Aquitaine.

Around 1025 Guy William Poitiers VIII Duke Aquitaine was born to William "Great" V Duke Aquitaine (age 56) and Agnes Ivrea Duchess Aquitaine.

On 31st January 1030 [his father] William "Great" V Duke Aquitaine (age 61) died. His son [his half-brother] William (age 26) succeeded VI Duke Aquitaine.

In 1032 [his step-father] Geoffrey "Martel" II Count Anjou and [his mother] Agnes Ivrea Duchess Aquitaine were married. She the daughter of [his grandfather] Otto William Ivrea I Count Burgundy and [his grandmother] Ermentrude Countess Burgundy. He the son of Fulk "Black" Ingelger III Count Anjou (age 62) and Hildegarde Sundgau Countess Anjou.

In 1038 [his half-brother] William VI Duke Aquitaine (age 34) died. [his half-brother] Odo Duke Gascony and Aquitaine (age 28).

On 10th March 1040 [his half-brother] Odo Duke Gascony and Aquitaine (age 30) died. His half brother [his brother] William (age 17) succeeded VII Duke Aquitaine.

In or after 1058 Agnes Poitiers Queen Consort Leon Queen Consort Castile was born to Guy William Poitiers VIII Duke Aquitaine (age 33) and [his future wife] Mateoda Duchess Aquitaine. She married 1069 Alfonso "Brave" VI King Leon VI King Castile, son of Ferdinand "Great" I King Leon and Sancha Astur Leonese.

Around October 1058 [his brother] William VII Duke Aquitaine (age 35) died. His brother Guy (age 33) succeeded VIII Duke Aquitaine.

Before November 1058 Guy William Poitiers VIII Duke Aquitaine (age 33) and Garsende Perigord Duchess Aquitaine were married. She by marriage Duchess Aquitaine. He the son of William "Great" V Duke Aquitaine and Agnes Ivrea Duchess Aquitaine.

In November 1058 Guy William Poitiers VIII Duke Aquitaine (age 33) and Garsende Perigord Duchess Aquitaine were divorced.

After November 1058 Guy William Poitiers VIII Duke Aquitaine (age 33) and Mateoda Duchess Aquitaine were married. She by marriage Duchess Aquitaine. He the son of William "Great" V Duke Aquitaine and Agnes Ivrea Duchess Aquitaine.

In May 1068 Guy William Poitiers VIII Duke Aquitaine (age 43) and Mateoda Duchess Aquitaine were divorced.

In 1069 [his son-in-law] Alfonso "Brave" VI King Leon VI King Castile (age 28) and [his daughter] Agnes Poitiers Queen Consort Leon Queen Consort Castile (age 10) were married. She the daughter of Guy William Poitiers VIII Duke Aquitaine (age 44) and [his former wife] Mateoda Duchess Aquitaine. He the son of Ferdinand "Great" I King Leon and Sancha Astur Leonese.

Before 22nd October 1071 Guy William Poitiers VIII Duke Aquitaine (age 46) and Hildegarde Burgundy Duchess Aquitaine (age 15) were married. She by marriage Duchess Aquitaine. The difference in their ages was 31 years. She the daughter of Robert I Duke Burgundy (age 60) and Ermengarde Blanche Ingelger Duchess Burgundy (age 53). He the son of William "Great" V Duke Aquitaine and Agnes Ivrea Duchess Aquitaine. They were second cousin once removed.

On 22nd October 1071 William "Troubadour" Poitiers IX Duke Aquitaine was born to Guy William Poitiers VIII Duke Aquitaine (age 46) and [his wife] Hildegarde Burgundy Duchess Aquitaine (age 15) at Toulose. He married (1) 1088 his half first cousin Ermengarde Anjou Duchess Brittany and Aquitaine, daughter of Fulk "Réchin" Anjou 4th Count Anjou and Hildegarde Beaugency Countess Anjou (2) 1094 Philippa Rouerge Duchess Aquitaine, daughter of William Rouerge Duke Narbonne and Emma Mortain Duchess Narbonne, and had issue.

Before 1072 [his brother-in-law] Fulk "Réchin" Anjou 4th Count Anjou (age 28) and Ermengarde Bourbon Countess Anjou (age 21) were married. She by marriage Countess Anjou. He the son of Geoffrey "Ferréol" Anjou 2nd Count Gâtinais and [his mother-in-law] Ermengarde Blanche Ingelger Duchess Burgundy (age 53).

Around 1076 [his brother-in-law] Fulk "Réchin" Anjou 4th Count Anjou (age 33) and Orengarde Chatellailon Countess Anjou were married. She by marriage Countess Anjou. He the son of Geoffrey "Ferréol" Anjou 2nd Count Gâtinais and [his mother-in-law] Ermengarde Blanche Ingelger Duchess Burgundy (age 58).

In 1078 [his daughter] Agnes Poitiers Queen Consort Leon Queen Consort Castile (age 19) died.

In 1079 [his former son-in-law] Alfonso "Brave" VI King Leon VI King Castile (age 38) and [his sister-in-law] Constance Burgundy Queen Consort Castile and Leon (age 33) were married. She by marriage Queen Consort Castile, Queen Consort Castile. She the daughter of [his father-in-law] Robert I Duke Burgundy and Helie Samur Duchess Burgundy. He the son of Ferdinand "Great" I King Leon and Sancha Astur Leonese.

On 25th September 1086 Guy William Poitiers VIII Duke Aquitaine (age 61) died. His son William (age 14) succeeded IX Duke Aquitaine.

In 1104 [his former wife] Hildegarde Burgundy Duchess Aquitaine (age 48) died.

Guy William Poitiers VIII Duke Aquitaine 1025-1086 appears on the following Descendants Family Trees:

Royal Ancestors of Guy William Poitiers VIII Duke Aquitaine 1025-1086

Kings Franks: Great x 7 Grand Son of Charles "Charlemagne aka Great" King Franks King Lombardy Holy Roman Emperor

Kings Duke Aquitaine: Great x 4 Grand Son of Ranulf I Duke Aquitaine

Royal Descendants of Guy William Poitiers VIII Duke Aquitaine 1025-1086
Number after indicates the number of unique routes of descent. Descendants of Kings and Queens not included.

Agnes Poitiers Queen Consort Leon Queen Consort Castile [1]

Agnes Poitiers Queen Consort Aragon Queen Consort Pamplona [1]

Agnes Poitiers Queen Consort Aragon [1]

Eleanor of Aquitaine Queen Consort Franks and England [1]

Ancestors of Guy William Poitiers VIII Duke Aquitaine 1025-1086

Great x 4 Grandfather: Ranulf I Duke Aquitaine

Great x 3 Grandfather: Ranulf II Duke Aquitaine

Great x 2 Grandfather: Ebles "Manzer aka Bastard" III Duke Aquitaine

Great x 1 Grandfather: William "Towhead" III Duke Aquitaine

GrandFather: William "Proud Arm" IV Duke Aquitaine

Great x 2 Grandfather: Rollo Normandy Duke Normandy

Great x 1 Grandmother: Gerloc aka Adela Normandy Duchess Aquitaine

Great x 2 Grandmother: Poppa Unknown Duchess Normandy

Father: William "Great" V Duke Aquitaine

Great x 2 Grandfather: Theobald "Elder" Blois

Great x 1 Grandfather: Theobald "Trickster" Blois I Count Blois

GrandMother: Emma Blois Duchess Aquitaine

Great x 1 Grandmother: Luitgarde Vermandois Duchess Normandy

Great x 4 Grandfather: Robert "Strong" King West Francia

Great x 3 Grandfather: Robert I King West Francia

Great x 2 Grandmother: Adela Capet Countess Vermandois, Soissons and Meaux

Great x 3 Grandmother: Aelis Unknown Queen Consort West Francia

Guy William Poitiers VIII Duke Aquitaine

Great x 3 Grandfather: Adalbert I Margrave of Ivrea

Great x 2 Grandfather: Berengar II King of Italy

Great x 1 Grandfather: Adalbert King of Italy

Great x 4 Grandfather: Theobald Count of Arles

Great x 3 Grandfather: Boso Unknown Margrave Tuscany

Great x 2 Grandmother: Willa Bosonids Queen Consort Italy

GrandFather: Otto William Ivrea I Count Burgundy

Mother: Agnes Ivrea Duchess Aquitaine

Great x 1 Grandfather: Renaud Unknown

GrandMother: Ermentrude Countess Burgundy