Margherita D' Este 
Margherita D' was born about 1425. Margherita D''s father was Niccolo III D' Este and her mother is Nm X. Her paternal grandfather was Alberto I D' Este and her paternal grandmother is Isotta Albaresani. She had ten half-brothers and six half-sisters, named Meliaduse D', Alerto Carlo D', Ercole I D', Sigismondo D', Ugo D', Leonello D', Borso D', Alberto D', Gurone D', Rinaldo D', Ginevra D', Lucia D', Margherita D', Isotta D', Beatrice D' and Bianca D'.General Notes
SOURCES: "Ancestors/Descendants of Royal Lines" (Contributors: Manuel Abranches de Soveral, Reynaud de Paysac, H.R. Moser <Burke Peerage>), L. Orlandini, O.Guionneau, L.B. de Rouge, E. Polti, A.Terlinden <Genealogy of the existing British Peerage, 1842, and E. Lodge>) http://geneastar.org.
