Joseph Langlois Biography, Charles Mix County, SD This biography is taken from the "Standard Atlas of Charles Mix County (1906)", published by Geo. A. Ogle & Co. Page 54 Transcribed by Joy Fisher, sdgenweb@yahoo.com and may be copied for non-profit purposes. All other rights reserved. Joseph Langlois, a French Canadian and allaround western sport and gambler, lived a number of years below the La Roche bottom with his Indian wife. He was elected to the territorial legislature in the fall of 1872, and served the following winter.