Robert I d'Eu, Count of Eu, was born circa 1021 to Guillaume I of Eu (985-1058) and Lanceline of Harcourt (1003-1069) and died 8 September 1089 of unspecified causes. He married Béatrix de Falaise 1040 JL . He married Matilda of Sicily (1062-bef1094) 1086 JL . Charlemagne (747-814), Rollo of Normandy (860-932), Charlemagne (747-814)/s.
|Offspring of Robert I d'Eu and Béatrix de Falaise|
|Condoha d'Eu (c1040-c1087)||1040||1087||Foulques I of Angoulême (1025-1087)|
|Guillaume II of Eu (c1050-c1095)||1050||1095||Hélisende de Chester Hélisende de Chester Béatrice de Bully|