Father: Count Johann IV of Heinsberg-Loen Born: 1420 Married: Unknown Died: January 27, 1448
Mother: Princess Johanna of Diest Born: 1423 Died: April 8, 1462
Children: 1. Princess Johanna of Heinsberg-Loen (b.6/29/1443) 2. Princess Elisabeth of Heinsberg-Loen (b.1445)
