Robert married Mary E Callahan on 12 Oct 1921 in Rock Island County, Illinois, USA. Mary (daughter of Timothy J Callahan and Mary E Callahan) was born about 1893 in Idaho, USA. [Group Sheet] [Family Chart]

1. Robert Joseph Patterson, Jr was born on 18 Feb 1921 in Des Moines, Polk County, Iowa, USA; died on 7 Jun 1991 in Sioux Falls, Minnehaha County, South Dakota, USA; was buried in Sioux Falls, Minnehaha County, South Dakota, USA.