Robert Pryor was born April 16, 1865, in Waupon, Wisconsin and as a child he attended school in Milwaukee. He lived in Chicago and Minneapolis before coming to North Dakota in 1902 to engage in the abstract and insurance business. For a time he was a partner of W. Frank Moore. He married Lucy Jones of Minneapolis on September 17, 1906.
They had one son, Robert R. Jr.
Mrs. Pryor died in 1926. Mr. Pryor died in 1932.
Source: A History of Foster County 1983 Page 35B