Federico Ubaldo Della Rovere 
Federico Ubaldo Della was born on May 16th, 1605. Federico Ubaldo Della's father was Francesco Maria II Della Rovere and his mother was Livia Della Rovere. He was an only child. He died at the age of 18 on June 28th, 1623.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.
They had a daughter named Vittoria Della.
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Children
Vittoria Della Rovere
Vittoria Della was born in February 1623. She died at the age of 73 on March 6th, 1696.