American with roots in Gjerpen.
Rolf Th. Monsen 1915 - 2006 in Land O'Lakes, Florida had his roots at Borge in Gjerpen. His dad, Magnus Monsen (1887 - 1954), was the oldest son of master bricklayer and farmer Petter Martin Monsen (1857 - 1937) and Karen Lovise Abrahamsdtr.(1863 - 1926). Among Petter Martin's best customers were Borgestad Fabrikker and Porsgrunds Porselænsfabrik. Rolf was married to Burnell Youngdale with roots in Sweden.