Sigismondo Pandolfo Malatesta 
Sigismondo Pandolfo was born on June 19th, 1417. Sigismondo Pandolfo's father was Pandolfo II Malatesta and his mother is Antonia Barignani. His paternal grandfather was Galeotto Malatesta and his paternal grandmother is Elisabetta Varano. He was an only child. He died at the age of 51 on October 9th, 1468.General Notes
SOURCES: "Ancestors/Descendants of Royal Lines" (Contributors: Manuel Abranches de Soveral, Reynaud de Paysac, F.L. Jacquier <Genealogy of Lewis Carroll, Justin Swanstrom, The Royal Families of England Scotland & Wales by Burkes Peerage; Debrett's Peerage & Baronage; Table of descendants French Canadian Genealogical Society>, H.R. Moser <Burke Peerage>, L. Orlandini, O.Guionneau, L.B. de Rouge, E. Polti, A.Terlinden <Genealogy of the existing British Peerage, 1842>, L. Gustavsson, C. Cheneaux, E. Lodge, S. Bontron <Brian Tompsett>, R. Dewkinandan) http://geneastar.org.
Sigismondo Pandolfo and Polissena were married in a religious ceremony in 1442. They had a daughter named Giovana.
Sigismondo Pandolfo and Vanetta were married in a religious ceremony in Relationship. They had a son named Roberto.
Sigismondo Pandolfo and Isotta Degli were married in a religious ceremony in Relationship. They had a son and two daughters, named Sallusto, Margherita and Antonia.
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Children
Antonia Malatesta
Antonia was born about 1452. She died due to beheaded by her husband because he believed she had committed adultery..