“ VIVALDO, UGOLINO and SORLEONE DE (fl. 1291–1315) , Genoese explorers, connected with the first known expedition in search of an ocean way from Europe to India. Ugolino, with his brother Guido or Vadino Vivaldo, was in command of this expedition of two galleys, which he had organized in conjunction with Tedisio Doria, and which left Genoa in May 1291 with the purpose of going to India “by the Ocean Sea” and bringing back useful things for trade. Planned primarily for commerce, the enterprise also aimed at proselytism. ”

“ Belgrano, “... Annali ... di Caffaro,” in Archiv. Stor. Ital., 3rd series, ii. 124, &c., and in Atti della Soc. Lig. di Storia Patria, xv. 320 (1881) ; W. Heyd, Histoire du commerce du Levant (the improved French edition of the Geschichte des Levantehandels) , ii. ”