Complex sentence: In 1945, Davis wed his wife, the former Blanche Hammerer (1918-2009); their only child, Tara Diane Davis (1953--1970), was killed in an automobile accident at the age of seventeen.
Split into simpler sentences: In 1945, Davis wed the former Blanche Hammerer (1918-2009). Their only child, Tara Diane Davis (1953--1970), was killed in an automobile accident at the age of seventeen.