Johansen/Fredrikstad

Are there any Johansens /johansen still living in Fredrikstad from the bydbok Graesvik, my great grandfather was Hans Peder Pederson who we beleive brought up John Johanson, we used to keep in touch up until the late 50s but unfortunately my father died and we lost touch, we thought it would be nice to try and contact some of johns relations Harold Petersen