Adelaide del Vasto (Adelasia, Azalaïs) (c. 1075 – April 16, 1118) was the third wife of Roger I of Sicily and mother of Roger II of Sicily, as well as Queen consort of Jerusalem due to her later marriage to Baldwin I of Jerusalem, as his third wife.
Read more about Adelaide Del Vasto: Family, Countess Consort of Sicily, Queen Consort of Jerusalem