When Marie Augusta Emille Finster was born on 24 December 1880, her father, Robert John Finster, was 26 and her mother, Ottille Fredeicke Roehl, was 24. She married Charles Kruse on 8 October 1908. They were the parents of at least 1 daughter. She died on 27 October 1968, at the age of 87.