When Jens Rolf Johansen was born on 23 June 1919, in Fredrikstad, Østfold, Norway, his father, Jens Johansen, was 22 and his mother, Marie Larsen, was 21. He married Leola May Probart in August 1946, in Pocatello, Bannock, Idaho, United States. He lived in United States in 1949. He died on 22 July 1997, in Pocatello, Bannock, Idaho, United States, at the age of 78.
Some characteristic forenames: Scandinavian Erik, Per, Niels, Nils, Thor, Johan, Bjorn, Lars, Oluf, Borge, Holger, Jarl.
Norwegian, Danish, and North German: patronymic from the personal name Johan (Scandinavian), Johann (German), vernacular forms of Johannes (see John ). Compare Johanson and Johnson .