Complex sentence: On April 30,1945, he married Ruthe Willis and had three children together (including a son, television director Roy Campanella II), though their relationship deteriorated after his accident; they separated in 1960 and Ruthe died in January 1963.
Split into simpler sentences: On April 30,1945, he married Ruthe Willis and had three children with her (including a son, television director Roy Campanella II). Their relationship deteriorated after his accident; they separated in 1960 and Ruthe died in January 1963.