sentences:  He married Mary Elizabeth Speirs (born January 1847 ) on April 9, 1868, in Worcester, with whom he had 3 sons (Frederick Iver, John Lovell, and Walter Olof) and 2 daughters (Mary Louise and Nellie).Iver Johnson immigrated to Worcester, Massachusetts from Norway in 1863 at the height of the American Civil War.Johnson was a gunsmith by trade at the time, but also worked as an inventor in his spare time, which would come in handy later on as he sought new and creative uses for his partially idle manufacturing equipment, a thought process which would eventually lead him and his heirs to diversify the corporation's businesses.