Jaan was born in 1734. Jaan's father is Andres and his mother is Katri. His paternal grandparents are Peeter and Ädu. He had a brother named Jüri. He had four half-brothers and three half-sisters, named Mai, Toomas, Peeter, Andres, Leenu, Liis and Ann. He died at the age of 84 in 1818.