Complex sentence: Born in Riverdale, New York, the daughter of Henry Wiggin Bennett, Jr. and the former Virginia Joan Stead attended Manhattanville College, a Sacred Heart Academy, the alma mater of Jean Kennedy Smith and Ethel Skakel Kennedy.
Split into simpler sentences: Born in Riverdale, New York, the daughter of Henry Wiggin Bennett, Jr. and the former Virginia Joan Stead. Joan attended Manhattanville College, a Sacred Heart Academy, the alma mater of Jean Kennedy Smith and Ethel Skakel Kennedy.