Mary married Clarence Peter Roos on 10 Jun 1936 in Illinois, USA. Clarence (son of Adam Roos and Margarethe Elisabeth Hucke) was born on 27 Jul 1910 in Millstadt, Saint Clair County, Illinois, USA; died on 6 Apr 2006 in Canterbury Manor Nursing Home, Waterloo, Monroe County, Illinois, USA. [Group Sheet] [Family Chart]