Homer - it is extraordinary that you made the leap across the ocean for this family! What a fabulous find. YAY!!!!

Anna Marie Hansen Clark may have died 1943. Or did you mean Anna Marie's mother Anna?

Find a Grave Memorial to Herman W. Hansen, buried 21 March 1914, at New Saint Marcus Cemetery in Wilbur Park, St. Louis, MO, which matches the death certificate (for place and date) of Anna and Herman’s son. LINK:
http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GSln=Ha...;

Also buried at New Saint Marcus is Martha Hansen buried 16 Nov 1915, which matches the name of Herman Willa Hansen’s wife. LINK:
http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GSln=Ha...;

Also buried there is a Herman William Hansen who died 1980.

Also buried there is Anna Marie Clark buried 27 July 1943.

Also buried there is Christian Arthur Hansen 1888-1943. LINK:
http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GSln=Ha...;