Complex sentence: Sundre takes its name from a town in Norway, the original home of Nels T. Hagen, the town's first postmaster, who arrived in 1906.
Split into simpler sentences: Sundre takes its name from a town in Norway, the original home of Nels T. Hagen, the town's first postmaster. Sundre's first postmaster, Nels T. Hagen, arrived in 1906.