Pietro II Orseolo was married to Maria Candiano, the daughter of Vitale Candiano and niece of Doge Pietro IV Candiano.[3] Ottone Orseolo succeeded his father, Pietro II, as the doge of Venice until 1026, while his grandson Peter reigned as King of Hungary. His younger son Domenico Orseolo's children settled in Ravenna and became the stem of the Orsini family.