Complex sentence: He married Mary Kaye Phelps (born September 11,1917 in Kentucky) on June 18,1938, daughter of Zack Phelps and Ethel Moreton Phelps.
Split into simpler sentences: He married Mary Kaye Phelps on June 18,1938. She was born on September 11,1917 in Kentucky to Zack Phelps and Ethel Moreton Phelps.