caption branch death_place death_date birth_place allegiance battles birth_date rank image article_title name
jean-baptiste chaigneau french navy vietnamese navy lorient , france 1832 1769 lorient , france france 18px vietnam thi nai , 1801 1769 grand mandarin french consul jean-baptiste chaigneau portrait 1805.jpg jean-baptiste chaigneau
 jean-baptiste chaigneau
jean-baptiste chaigneau

jean-baptiste chaigneau -lrb- 1769 -- 1832 -rrb- was a french navy sailor and an adventurer who played an important role in vietnam in the 19th century .
he served the nguyễn dynasty from 1794 to 1819 , and 1821 to 1826 , and took the vietnamese name of nguyễn văn thắng -lrb- 阮文勝 -rrb- .
