Epp was born in 1776. Epp's father was Märt and her mother is Mari. Her paternal grandfather is Andres and her paternal grandmother was Mai; her maternal grandparents are Jaan and Liis. She had a brother and a sister, named Jaan and Kärt. She had three half-brothers named Hans, Villem and Märt. She died at the age of 30 in 1806.