He died without legitimate posterity in July 1127, leaving the entire of the Norman Mezzogiorno to his first cousin once removed, Roger II of Sicily, his erstwhile ally.
Dia meninggal tanpa keturunan yang sah pada bulan Juli 1127, meninggalkan seluruh Norman Mezzogiorno ke sepupu pertamanya yang pernah disingkirkan, Ruggeru II dari Sisilia, mantan sekutunya.