Pedzisa mutsara unotevera: William akanga ari mwanakomana waAlbert I weBavaria naMargaret weBrig. William, akabatana neHooks, akanga ari mu
kunetsana nababa vake kusvikira muna 1394. Muna 1404 akamutsiva sa Count weHolland, Hainaut neZeeland uye Duke weBavaria-Straubing.