Jaan was born in 1755. Jaan's father was Toomas and his mother is Kärt. His paternal grandparents were Jaan and Kärt. He had a brother and a sister, named Tõnn and Liis. He had two half-brothers and three half-sisters, named Juhan, Hans, Eva, Ann and Margret. He died at the age of 49 in 1804.