Costanza Ondedei
Costanza Ondedei was a noblewoman of the Ondedei family of Pesaro. She married Malatesta III Malatesta, known as Guastafamiglia, lord of Pesaro and Rimini, and was the mother of his eldest son Pandolfo II, born in 1325, and of Malatesta Ungaro and Ginevra Malatesta.