Mathilda Grenz Born: March 10, 1912 - North Dakota Died:  December 26, 1988 Mercer ND   Father:  Gottfried Grenz Mother: Anna Bachmann Married:  June 19, 1951 Spouse: Albert Kallis Born:  November 7, 1914 Died:  December 20, 1992 Grand ND Father:  Wilhelm Kallis Mother:  Louisa Gill