Bianca married Roger III de Hauteville about 1137 in Lecco, Milano, Lombardia, Italy.. Roger (son of Roger II of sicily and Elvira Alfonsez Princess Of Castile & Leon) was born in 1118 in Palermo, Palermo, Sicilia, Italy; died on 12 May 1148 in Palermo, Sicily, Italy. [Group Sheet] [Family Chart]