Father: Count Philipp of Wassanaer-Duvenvorde Born: 1276 Married: Unknown Died: 1331
Mother: UNKNOWN
Children: 1. Count Arnold of Wassanaer-Duvenvorde (b.1300) 2. Count Wilhelm of Wassanaer-Bautershem (b.1308) 3. Count Johann I of Wassanaer-Polanen (b.1317)