Complex sentence: His marriage to photographer Imogen Cunningham in 1915 ended in divorce in 1934; his second wife, artist Marion Lyman, died of cancer in 1940; his third wife was May Fisher.
Split into simpler sentences: His marriage to photographer Imogen Cunningham in 1915 ended in divorce in 1934. His second wife, artist Marion Lyman, died of cancer in 1940; his third wife was May Fisher.