Complex sentence: His son Doug was a major leaguer catcher in the 1960s; his brother, who boxed under the name Frankie Campbell, died of cerebral hemorrhaging following a 1930 match with Max Baer.
Split into simpler sentences: His son Doug was a major leaguer catcher in the 1960s. His brother, who boxed under the name Frankie Campbell, died of cerebral hemorrhaging following a 1930 match with Max Baer.