Violante Signa 
Violante was born on December 11th, 1546. She died at the age of 63 on March 5th, 1610.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.
‌Violante and Afonso D' were married in a religious ceremony in 1584.