Simon Doria lived in the late 12th century and was an admiral of the Genoese in the crusaders' assault against Saint Jean d'Acre. Percivalle Doria, who died in 1275, was an infamous warlord and a well-known Provençal poet, would be a member of the family. Also a poet, Simon Doria was "podestà" of Savona and Albenga. The brothers Oberto Doria and Lamba Doria were naval commanders and politicians: Oberto was Captain of the People in Genoa and led its naval forces in the victory of La Meloria against Pisa in 1284 while Lamba won a major battle against Venetian Andrea Dandolo at Curzola in 1298. Tedisio Doria (or Teodosio) financed the expedition of Vadino and Ugolino Vivaldi in 1291. Branca Doria is mentioned by Dante in the Divine Comedy because of his treacherous murder of Michele Zanche, his father-in-law, in 1275. Brancaleone Doria ruled the Giudicato of Arborea and nearly conquered the whole of Sardinia in the late fourteenth century.