Leenu was born in 1771. Leenu's father was Mikk and her mother was Katri. Her paternal grandparents were Toomas and Epp. She had two brothers and a sister, named Evert, Hindrik and Madli. She had two half-brothers and two half-sisters, named Jüri, Niklus, Mai and Mai. She died at the age of 56 in 1827.