Bonacossa Borri, also known as Bonaca, or Bonaccossi Bonacosta, was Lady of Milan by marriage from 1269 to 1321.
Background
Bonacossa was the daughter of Squarcina Borri (1230–1277, also called Scarsini), captain of exiles from Milan from the advent of the Torriani family, and a loyal supporter of the Visconti, and Antonia (1236–?), of unknown lineage, who married in 1254.
Career
Borri"s family was originally from the town of Santo Stefano Ticino together with some feudal lands of nearby Corby. The Borri family was one of the most respected of Milan, and counted among its ranks a saint, Monas of Milan, Bishop of Milan. She died in Milan on 13 January 1321.