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.
See Also: William the Conqueror Biography
The Family of William the Conqueror
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 Mortain (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)