Father: Count Friedrich II of Arco Born: 1253 Married: Unknown Died: 1309
Mother: Princess Mathilde of Arco Born: 1255 Died: 1313
Children: 1. Count Friedrich III of Arco (b.1277) 2. Count Udalrich III of Arco (b.1279) 3. Count Heinrich I of Arco (b.1280) 4. Count Albert III of Arco (b.1281) 5. Princess Cunizia of Arco (b.1282) 6. Count Riprand II of Arco (b.1283) 7. Count Adalbert I of Arco (b.1284)