Euphrosine was born on August 3rd, 1740. Euphrosine's father was Johannes Zorn and her mother was Sibylla Heyss. Her paternal grandparents were Heinrich Zorn and Christina Bräu. She had two brothers and a sister, named Heinrich, Gottfried and Christina. She was the second youngest of the four children. She died at 11 months old on July 14th, 1741.