Jaan's father was Jüri and his mother was Ellu. His paternal grandparents were Niklus and Ann; his maternal grandparents are Mihkel and <Unknown>. He had five brothers and two sisters, named Peep, Hans, Evert, Peeter, Juhan, Tiiu and Mari. He had three half-brothers named Hindrik, Jaak and Jakob.
Jaan 
