Complex sentence: On 29 April 1907 he married Gertrude Morison Scott, with whom he had one son; he would later remarry Elizabeth Mary Eleanor Saywell on 25 February 1936.
Split into simpler sentences: On 29 April 1907 he married Gertrude Morison Scott, with whom he had one son. He later married Elizabeth Mary Eleanor Saywell on 25 February 1936.