Agnese da Montefeltro (born in Gubbio in 1470) was the daughter of Federico da Montefeltro

Federico da Montefeltro

Federico da Montefeltro, also known as Federico III da Montefeltro , was one of the most successful condottieri of the Italian Renaissance, and lord of Urbino from 1444 until his death...

, duke of Urbino

Urbino

Urbino is a walled city in the Marche region of Italy, south-west of Pesaro, a World Heritage Site notable for a remarkable historical legacy of independent Renaissance culture, especially under the patronage of Federico da Montefeltro, duke of Urbino from 1444 to 1482...

 and of his second wife, Battista Sforza. She married Fabrizio Colonna

Fabrizio Colonna

Fabrizio Colonna was an Italian condottiero, a member of the powerful Colonna family. He was the son of Edoardo Colonna and Filippa Conti....

 (1460–1520), duke of Paliano and they had six children: Vittoria Colonna

Vittoria Colonna

Vittoria Colonna , marchioness of Pescara, was an Italian noblewoman and poet.-Biography:The daughter of Fabrizio Colonna, grand constable of the kingdom of Naples, and of Agnese da Montefeltro, Vittoria Colonna was born at Marinoa fief of the Colonna family in the Alban Hills near Rome.Betrothed...

, Federico Colonna, Ascanio Colonna, Ferdinando Colonna, Camillo Colonna, Marcello Colonna.
She died in 1522 on her way home to Rome, coming back from a pilgrimage at Loreto Sanctuary.