Isabella Colonna

Isabella Colonna (1513 – 1570) was an Italian noblewoman, a member of the Colonna family.

Early life She was the only daughter of Vespasiano Colonna, Duke of Traetto (modern Minturno) and Count of Fondi, and Beatrice Appiani. After her mother's death, she was raised by her father's second wife, Giulia Gonzaga (a daughter of Ludovico Gonzaga, Duke of Sabbioneta).

After Louis died, Isabella moved with his parents to Sabbioneta. Later, after quarrels with the latter, she moved to Rivarolo and then, in 1534, to her fiefs in southern Italy. Beatrice de Lannoy, who married Alfonso de Guevara, 5th Count of Potenza. After his death, she married Alberto Acquaviva d'Aragona, 12th Duke of Atri. Horace de Lannoy, 4th Prince of Sulmona (d. 1597), also 3rd Count of Venafro; he married Antonia d'Avalos.

Isabella Colonna died at Naples in 1570; her eldest son Vespasiano inherited all her possessions.