When Anders Gulbrandsen was born about 1705, in Asker, Akershus, Norway, his father, Gulbrand Knudsen, was 30 and his mother, Karen Erichsdatter, was 25. He married Anne Pedersdatter about 1731, in Asker, Akershus, Norway. They were the parents of at least 7 sons and 2 daughters. He died on 7 May 1760, in his hometown, at the age of 55.