Fulco I d'Este was the ancestor of the Italian line of the House of Este.
Fulco was a son of Albert Azzo II, Margrave of Milan and Garsende of Maine, the daughter of Herbert I, Count of Maine. Wikipedia
Born: 1070
Died: 1136 (age 66 years)
Parents: Albert Azzo II, Margrave of Milan and Gersende of Maine
Grandchild: Azzo V d'Este
Grandparents: Albert Azzo I, Margrave of Milan, Herbert I, Count of Maine, and Adela of Milan
Children: Obizzo I d’Este
Siblings: Welf I, Duke of Bavaria