When Wilhelmine Haibach was born on 7 January 1877, in Allendorf, Oberlahnkreis, Hesse-Nassau, Prussia, Germany, her father, Johannes Haibach, was 51 and her mother, Charlotta Elisabetha Völpel, was 41. She married Philipp Wilhelm Schmidt on 23 September 1897, in Allendorf, Oberlahnkreis, Hesse-Nassau, Prussia, Germany. They were the parents of at least 1 daughter. She died on 17 July 1951, in her hometown, at the age of 74.