Complex sentence: Whiting was married to the former Eleanor Youngblood, a manager who's clients included Sophie Tucker, the father of singer/actress Margaret Whiting and actress Barbara Whiting Smith, and the grandson of Rep. Richard H. Whiting.
Split into simpler sentences: Whiting was married to the former Eleanor Youngblood, a manager whose clients included Sophie Tucker. He was the father of singer/actress Margaret Whiting and actress Barbara Whiting Smith, and the grandson of Rep. Richard H. Whiting.