Helge Jensen Svoldal- Synneva Torbjørnsdatter 1877

Looking for traces after my ancestors who emigrated from Enes and Svoldal in Hardanger, the persons are Helge Jensen Svoldal and wife Synnøve Torbjørnsdatter, they were supposed to have married in Castlewood South Dakota December 3 1893 they changed their last name from Svoldal to Dahl, I what church they married in and where they lived and worked? They moved to Reeder ND on 01 April 1908.