Jaan was born in 1752. Jaan's father was Hindrik and his mother was Ann. His paternal grandfather was Peeter and his paternal grandmother is <Unknown>. He had a brother and three sisters, named Hans, Mari, Mai and Madli. He had two half-brothers and a half-sister, named Märt, Juhan and Margreet. He died at the age of 36 in 1788.