Henno was born in 1769. Henno's father is Peep and his mother is Epp. His paternal grandparents were Jaan and Kärt; his maternal grandparents were Toomas and Tiiu. He had three brothers and three sisters, named Mikk, Peeter, Jüri, Epp, Mai and Liis. He died at the age of 48 in 1817.