Complex sentence: In 1884, he married Mrs. Melissa Railey Bruce, a widow with six children; they had one son, Samuel E. Lewis (1886--1914), who married but died childless.
Split into simpler sentences: In 1884, he married Mrs. Melissa Railey Bruce, a widow with six children. The couple had one son, Samuel E. Lewis (1886--1914), who married but died childless.