Biography
Bonacosa Borri was born circa 1254 in Metropolitan City of Milan, Lombardy, Italy to Squarcino Borri (1230-1277) and Antonia unknown (1236) and died 15 January 1321 Milan, Metropolitan City of Milan, Lombardy, Italy of unspecified causes. She married Matteo I Visconti (1250-1322) 1269 JL .
Children
| Name | Birth | Death | Joined with |
| Galeazzo I Visconti (1277-1328) | |||
| Beatrice Visconti (c1280) | |||
| Caterina Visconti (c1282) | |||
| Stefano Visconti (c1288-1337) | 1288 Milan, Italy | 4 July 1337 Milan, Italy | Valentina Doria (1290-1359) |
| Marco Visconti (c1289-1329) | |||
| Giovanni Visconti (c1291-1354) | |||
| Luchino I Visconti (1292-1349) | |||
| Zaccarina Visconti (c1295) | |||
Footnotes (including sources)
| ‡ General |