Marianna Caetani 
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.
‌Marianna and Gaetano Sforza were married in a religious ceremony in 1768. They had a son named Francesco Sforza.
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Children
Francesco Sforza Cesarini
Francesco Sforza was born on July 20th, 1773. He died at the age of 42 on February 16th, 1816 in Rome, Italy.