Complex sentence: Thomas Chalkley Coffin (October 25,1887--June 8,1934) was a congressman from Idaho, a Democrat in the House from 1933 to 1934.
Split into simpler sentences: Thomas Chalkley Coffin (October 25,1887--June 8,1934) was a United States Representative from Idaho. Coffin served as a Democrat in the House from 1933 to 1934.