Agnes Johnson, b.1882

Hei I am looking for my great grandmother, Agnes Johnson. She was born in Norway, Løten 1882, babtized Anette Ringnes Andersen, her parents were Petrine and Ole Andersen. She went to the US in 1904, on the ship Montebello to Boston. She left her two children in Norway, Per (b.1901, my grandfather) and Anbjørg (b.1903). She married Emil Johnson from Sweden 1910. They got three daughters, Esther (B.1911), Helen (b.1913) and Marion (b.1920). In the 1930 census they lived in Grover Township, Marinette County, Wisconsin. We know that Agnes died the 5 of September, 1959. We would appreciate your assistance in finding her descendants. Sincerely, Per Jakob Haugaa