Residence: Willborg, Minnesota. Born 1827 in Sigdal, Norway, a son of Halvor Sebjornsen and Ingbor Aaby. Civil War: Private. Post war: Died 1905 in Brookings County, South Dakota. Sources: (Ulvestad p266,287) Rootsweb.com. linjimol@gvtel.com) “Aaby, Sebjorn”