According to the research done by a cousin in Minneapolis where he lived:

Christian Munsen got his divinity degree at Trinity College in Brooklyn and was pastor of the Norwegian Lutheran Memorial Church in Minneapolis (which still holds its services in Norwegian).

His first wife died in 1903. He had 4 kids with her two sons (Lewis, Christian) and two daughters (Anna, Martha).

The records stop there.

He didn't have kids with his second wife, Nina.

There's record of him speaking at a funeral in Minneapolis in 1928.

In 1940, he was living in South Dakota, but still maintained a primary residence in Minneapolis...

his death record is record 020517 with Hennepin county according to ancestry.com