Info on Jens Larsen

Am looking for information on Jens Larsen b. abt. 1845 near Kragero, NO. Marrried Inger Claudine Larsdatter abt. 1874. Lived at Rosholmen farm abt. 1882-1892. He died at sea with youngest son Lars abt. 1892. Would like verifiable dates if possible. His son Lars' birth date, Jens parents names and any other information available. I already have lots of info on Inger Claudine and her family. Thank you!