Nobile Giuseppe Maria Buonaparte or Giuseppe Maria di Buonaparte (31 May 1713 – 13 December 1763) [1] was a Corsican politician, best known as the paternal grandfather of Napoleon I of France.
[2] He was the son of Sebastiano Nicola Buonaparte [it] (1683–1720) and his wife Maria Anna Tusoli (1690–1760).
According to a genealogy requested by Maria Saveria Paravicini, wife of Giuseppe Maria Buonaparte, Buonaparte was a descendant of William IX of Montferrat and Borso d'Este.
[3] In 1749, Giuseppe was the Delegate who represented the City of Ajaccio in the Council of Corte.
They had at least four children: Maria predeceased her husband, and he married secondly Maria Virginia Alata (born 5 February 1725), a daughter of Domenico Alata.