Father: Count Johann I of Isenburg-Braunsberg Born: 1278 Married: Unknown Died: 1327
Mother: Princess Agnes of Isenburg-Grenzau Born: 1284 Died: 1349
Children: 1. Count Bruno IV of Isenburg-Braunsberg (b.1305) 2. Princess Isalda of Isenburg-Braunsberg (b.1306) 3. Princess Jutta of Isenburg-Braunsberg (b.1308) 4. Princess Mechtild of Isenburg-Braunsberg (b.1310)