Sometime between 1900 and 1910, C. N. and Anna adopted a young girl named Ella (b. 1 Apr 1900, SD). Below is a picture of her as a young girl with her cousin Lillian Bakke and also one of her as a young woman.


Left image: Ella Peterson and Lillian Bakke (c. 1910). Right image: Ella Peterson (c. 1920). Images courtesy of Verla Williams.
In 1910 the Peterson family is living in Willmar, Kandiyohi, MN, where C. N. is serving as a minister.

Detail of 1910 US Census. Image courtesy of Ancestry.com.
Peterson, Christ N. / Head / M / W / 45 / M / 20 / Minnesota / Norway / Norway / Clergyman
_____, Anna / Wife / F / W / 51 / M / 20 / Iowa / Norway / Norway /
_____, Ella R. [sic] / None / F / W / 9 / S / South Dakota / Norway / Norway
Source Information: Ancestry.com. 1910 United States Federal Census [database on-line]. Provo, UT, USA: Ancestry.com Operations Inc, 2006.
Original data: Thirteenth Census of the United States, 1910 (NARA microfilm publication T624, 1,178 rolls). Records of the Bureau of the Census, Record Group 29. National Archives, Washington, D.C.