High Quality Content by WIKIPEDIA articles! Alberto Azzo II (997 or July 10, 1009, Modena - August 20, 1097, Modena), Margrave of Milan, and Liguria, Count of Gavello and Padua, Rovigo, Lunigiana, Monselice, and Montagnana, aka, Albertezzo II, was a powerful nobleman in the Holy Roman Empire. He is considered the founder of Casa d`Este, having been the first family to be master of Este, a town of Padua.