Early in the next (14th) century, Sorleone de Vivaldo, son of Ugolino, undertook a series of distant wanderings in search of his father, and even penetrated, it is said, to Mogadishu on the Somali coast. In 1455 another Genoese seaman, Antoniotto Uso di Mare, sailing with Cadamosto in the service of Prince Henry The Navigator of Portugal , claimed to have met, near the mouth of The Gambia , with the last descendant of the survivors of the Vivaldo expedition. The two galleys, he was told, had sailed to the Sea Of Guinea ; in that sea one was stranded, but the other passed on to a place on the coast of Ethiopia -Mena or Amenuan, near the Gihon (here probably meaning the Sénégal River ) where the Genoese were seized and held in close captivity.
- ii. 124, etc., and ''Auidetta Soc. Lig. di Sloria Patria'', xv. 320 (1881); W. Heyd, ''Hisloire du commerce du Levant'' (the improved French edition of the ''Geschichte des Levantehandels''), ii. 140-43 (Paris, 1886); C. R. Beazley, ''Dawn of Modern Geography'', iii. 41319, 551 (Oxford, 1906).
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