Complex sentence: He lost to Democrat Andrew J. Transue in 1936, but defeated him for reelection in 1938 to the Seventy-sixth and to the six succeeding Congresses, serving from January 3 1939 to January 3 1953.
Split into simpler sentences: He lost to Democrat Andrew J. Transue in 1936, but defeated him to be re-elected in 1938 to the 76th Congress. He was subsequently re-elected to the six succeeding Congresses, serving from January 3 1939 to January 3 1953.