Found family in 1920 US Population Census Living in Summit Township in Lake Co., SD.
Also found family listed in SD Death index where death occured on 12 Nov 1921. All children except youngest Ruby Wallem is listed as deceased. She was born 1917 in SD. Could not find her listed in 1930 Population Census.
Osmund and Sessila were married 27 Dec 1906 in Madison, Brookings Co., SD