Hosting the golden event will be their children, Richard and Leticia Grothaus of Sioux City and Brenda and Ron Grimsley of Sloan. The couple has eight grandchildren and one great-grandchild.
Cards and well wishes may be sent to the couple at 2012 31st Ct., Sioux City, Iowa 51004.
Robert Grothaus and Charlotte Gertsmeier were married June 12, 1960, at St. Paul's Lutheran Church, Aurelia.
Robert is the son of the late John and Ione Grothaus and graduated from Le Mars Central High School in 1952.
Robert retired in July 1998 from Norwest Bank after 39 years in the banking business. Charlotte retired in February 2006, from Tur Pak Foods.