When Susanna Haldeman was born on 2 February 1783, in Gardenville, Plumstead Township, Bucks, Pennsylvania, United States, her father, John Krey Haldeman, was 46 and her mother, Mary Eve Lauer, was 45. She married John Fretz on 16 August 1808, in Bucks, Pennsylvania, United States. They were the parents of at least 5 sons and 3 daughters. She lived in Plumstead Township, Bucks, Pennsylvania, United States for about 10 years. She died on 14 April 1875, in Gardenville, Plumstead Township, Bucks, Pennsylvania, United States, at the age of 92, and was buried in Deep Run, Bucks, Pennsylvania, United States.