Father: Duke Conan III of Bretagne Born: 1099 Married: Unknown Died: September 17, 1148
Mother: Princess Mathilde of England Born: 1102 Died: 1156
Children: 1. Princess Bertha of Bretagne (b.1120) 2. Count Hoel III of Nantes (b.1122) 3. Princess Constanze of Bretagne (b.1125)