Alberto Azzo I d'Este ⁹³¹

  Notater:

Albert Atto I (Italian: Alberto Azzo) (died 1029) was the son of Oberto II and Railend, widow of Sigfred, Count of Seprio. He was a member of the Obertenghi (or Adalbertini) family.

Albert first appears in the historical record in 1011. On 10 May 1013, he was acting as a missus in Italy. In 1014, he inherited the counties of Luni, Tortona, Genoa, and Milan on the death of his father, Otbert II, Margrave of Milan. His holdings were extensive and both feudal and allodial. Albert and his brothers Hugh, Adalbert (IV), and Obizzo all carried the title margrave. Their sister Bertha married Arduin of Italy to ally the Anscarid and Obertenga families. Another sister named Bertha married Ulric Manfred II of Turin.

Alberto blev gift med Adelaida.