Lena Sielaff was born on 13 January 1898, in Lincoln, Trempealeau, Wisconsin, United States. She married Andrew P. Sather on 27 September 1922, in Winona, Winona, Minnesota, United States. She lived in Burnside, Trempealeau, Wisconsin, United States in 1930. She died on 14 March 1969, in Pigeon Falls, Trempealeau, Wisconsin, United States, at the age of 71, and was buried in Independence, Trempealeau, Wisconsin, United States.