Complex sentence: The family lived in Sheridan, Wyoming and Hardin, Montana before moving in 1949 to Cocolalla, Idaho, where they lived on a ranch and the father worked as a painter for the Northern Pacific Railway.
Split into simpler sentences: The family lived in Sheridan, Wyoming and Hardin, Montana before moving in 1949 to Cocolalla, Idaho, where they lived on a ranch. The elder VanderSloot worked as a painter for the Northern Pacific Railway.