William I of Sicily

12th-century king of Sicily (1120–1166)

Parents

• Elvira of Leon
• Roger II of Sicily

Children

• William II of Sicily
• Henry, Prince of Capua
• Robert III, Prince of Capua
• Roger IV, Duke of Apulia
• Matina di Sicilia

Siblings

• Tancred, Prince of Bari
• Simon, Prince of Taranto
• Roger III, Duke of Apulia
• Costanza I of Sicily
• Alfonso of Hauteville
• Tancred, King of Sicily
• Adelicia of Sicilia

Partners

• Margaret of Navarre