Aunt of Caroline Kennedy and John Kennedy Jr..
Sister-in-law of the late U.S. President John F. Kennedy.
Mother of Tina Radziwill and Anthony Radziwill.
While she attended Sarah Lawrence College, one of her classmates was Barbara Walters.
Children: Prince Antoni Stanislaw Albrecht Radziwill, born 4 August 1959; and Princess Anna Cristina Radziwill, born 18 August 1960.