Complex sentence: LaFortune's grandfather, Joseph LaFortune, was an oil executive and a noted philanthropist in Tulsa; his uncle, Robert J. LaFortune, was mayor of Tulsa from 1970 to 1978.
Split into simpler sentences: LaFortune's grandfather, Joseph LaFortune, was an oil executive and a noted philanthropist in Tulsa. His uncle, Robert J. LaFortune, was mayor of Tulsa from 1970 to 1978.