Father: Count Reinald of Dassel Born: 1124 Married: Unknown Died: 1180
Mother: Princess Mechtild of Schauenburg-Holstein Born: 1128 Died: 1167
Children: 1. Count Ludolf of Dassel (b.1156) 2. Archbishop Reinald of Koln (b.1158) 3. Princess Gepa of Dassel (b.1161)