The Extended Family of William the Conqueror

William the Conqueror was born in 1028 and died in 1087. He became Duke of Normandy following the death of his father in 1035. In September 1066 he invaded England and defeated Harold Godwinson at the Battle of Hastings on 14th October 1066. He subdued the country and was crowned King of England on 25th December 1066. William was one of two children. He was happily married and had 10 children. Listed below are the known members of the extended family of William the Conqueror with dates where known.

 

The Family of William the Conqueror

William the Conqueror 1027 - 1087

Paternal Grandparents

Richard II Duke of Normandy (c. 978 – 1026) – Brother of Emma of Normandy

Judith of Brittany – Daughter of Conan I of Brittany

 

Maternal Grandparent

Fulbert of Falaise – No details known

 

Parents

Robert I Duke of Normandy (1008-1035) – Father

Herleva of Falaise (c1012-c1050) – Mother (unmarried)

Herluin de Conteville (1001 – 1066) – Stepfather (married Herleva of Falaise)

 

Half Siblings

Count Robert of MortainĀ  (c1031 – 1095)

Odo of Bayeux (c1036 – 1097)

 

Spouse

Matilda of Flanders (c1031 – 1083)

 

in-Laws

Baldwin V of Flanders – (1012 – 1067) Father in Law

Adela of France – (1009 – 1079) Mother in Law

 

Children

Robert Curthose – (1052 – 1134)

Richard – (1054 – 1075)

Cecilia – (1055 – 1126)

Adeliza – (born 1055)

King William II – (1057 – 1100)

Constance – (1057 – 1090)

King Henry I – 1060 – 1135

Matilda – (1061 – 1086)

Agatha – (1064 – 1073)

Adela – (1067 – 1137)

 

Son in Law

Alain IV Duke of Brittany – (c1063 – 1119) Married Constance

Stephen II Count of Flanders – (c1045 – 1102) Married Adela

 

Daughters in Law

Sibylla of Conversano – (died 1103) Married Robert Curthose

Edith / Matilda of Scotland – (1080 – 1118) Married Henry I

Adeliza of Louvain – (1103 – 1151) Married Henry I

 

Grandchildren

by Robert Curthose

William Clito – (1102 – 1128)

 

Grandchildren

by Adela

William of Sully – (c1085 – 1150)

Theobald IV of Blois – (1090 – 1152)

King Stephen – (1096 – 1154)

Philip of Blois – (died 1100)

Henry of Blois, Bishop of Winchester (1098 – 1171)

Eleanor – 1102 – 1147

Odo of Blois – (dates unknown)

Adela of Blois – (dates unknown)

Lucia – (dates unknown)

Agnes – (dates unknown)

Alix – (dates unknown)

 

Grandchildren

by Henry I & Matilda of Scotland

Matilda – (1102 – 1167)

William Adelin ( 1103 – 1120)