Caterina X 
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.
‌Caterina and Niccolo III D' were married in a religious ceremony about 1404. They had a son named Meliaduse D'.
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Children
Meliaduse D' Este
Meliaduse D' was born on March 3rd, 1407. He died at the age of 44 on January 2nd, 1452.