Searching Burwick in Minesota

I am searchin for ancestores after Emil Burwick born 26. may 1847 wife Lena Burwick born 20.desember 1860 have lots of children. One of them was Arthur Burwick born 5.may 1889 died april 1979, his wife Hedvig born 25 october 1890 died september 1991. They have 3 children Florence, Harold and Harriet. Last known adress was in St. Claud MN. Best regards Bodil Borvik Fagertun