WI 15th Inf Co G. Residence: Martell, Pierce County, Wisconsin. Born in Voss, Norway. Civil War: Married. Age 41. Enlisted for three years on 4 Jan 1862 at Martell and mustered at Madison, Wisconsin. Private. Discharged from the service for disability due to disease at Mississippi River Island No. 10, 13 May 1862. Sources: (WHS Series 1200 box 76-9; red book vol 20 p102) (Buslett p537) (Ager p312) (Gjertveit) “Gjerdager, Lars Olsen”.