References in periodicals archive ?
58) Nonetheless, despite this plethora of bastards it was only the children of Stella da l'Assassino, a lady from a noble Sienese family which had immigrated to Ferrara, who were legitimated and designated Niccolo's heirs when his first two marriages failed to produce boys.
Roberto had been legitimated by the papacy in 1450.
legitimated by Nicholas V, 1453, marriage annulled, 1455