John Otto, born in 1886, married in 1911, Ella Hurlbert Merbach, born April 11, 1886, at Raymond, South Dakota. She was the widow of George Merbach, who died in 1909. She came to the Grace City area in 1911 farming in Larrabee Township and near Juanita. Ella Otto had one daughter by her first marriage and she and John Otto had one son, Darrell and five daughters. ,
John died in 1948.
Source: A History of Foster County 1983 Page 63B