Laur was born in 1747. Laur's father was Jüri and his mother was Epp. His paternal grandfather is <Unknown> and his paternal grandmother was Anu. He had two brothers and a sister, named Märt, Hindrik and Els. He had two half-brothers and a half-sister, named Hans, Jaan and Eva. He died at the age of 32 in 1779.