Father: Marquis Ulrich of Weimar-Krain Born: 1040 Married: Unknown Died: 1070
Mother: Princess Sophie of Hungary Born: 1042 Died: 1095
Children: 1. Count Ulrich II of Weimar (b.1060) 2. Princess Richkart of Weimar (b.1062) 3. Marquis Poppo III of Weimar-Krain (b.1064) 4. Princess Adelheid of Weimar (b.1065)