Complex sentence: Wilcox was left widowed when her first husband, the actor Derek Seaton to whom she was married from 1969 to 1979, died; she has since married Nelson Skip Riddle, son of the bandleader and arranger Nelson Riddle.
Split into simpler sentences: Wilcox was left widowed when her first husband, the actor Derek Seaton, to whom she was married 1969-1979, died. She has since married Nelson Skip Riddle, son of the bandleader and arranger Nelson Riddle.