sentences:  Jean Alfonse
  
  Jean Fonteneau, dit Alfonse de Saintonge (also spelled Jean Allefonsce) or João Afonso in Portuguese (also spelled João Alfonso) (born c. 1484 in Portugal - died December 1544 or 1549 off La Rochelle) was a Portuguese navigator, explorer and corsair, prominent in the European age of discovery.He had an early career in Portugal and later served the King of France.