When Theresa Wynia was born on 22 October 1902, in Bon Homme, South Dakota, United States, her father, Theodore or Dooitze Ulbes Wynia, was 49 and her mother, Susan or Tjietske Gerbens de Jong, was 36. She married John Peter Ludens on 4 March 1925, in Springfield, Bon Homme, South Dakota, United States. She lived in Springfield Township, Bon Homme, South Dakota, United States in 1940 and Springfield, Bon Homme, South Dakota, United States in 1945. She died on 18 April 2003, in Avon, Bon Homme, South Dakota, United States, at the age of 100, and was buried in Bon Homme, South Dakota, United States.