Liis was born in 1788. Liis' father is Jüri and her mother is Eva. Her paternal grandparents are Jaak and Epp; her maternal grandparents were Mats and Katu. She had a brother named Peeter. Peeter and Liis were twins. She had two half-brothers named Laur and Hans. She died at the age of 47 in 1835.