From Lillesand, Norway. Born 1844. Came to America at age two with his parents from the port of Grimstad. Traveled to Missouri. Civil War: Private. Post war: He organized the N. O. Nelson Manufacturing Company, a huge building and plumbing supply company. Sources: (“Americans from Norway” by Leola Nelson Bergmann, publ. 1950 by J.B.Lippincott Co. p275)