She is the great-granddaughter of Consuelo Vanderbilt and the step-sister of Christina Onassis through her father's second marriage to Tina Onassis, former wife of Aristotle Onassis.
She is the great-great-grandchild of Consuelo Vanderbilt and the half-sister of Christina Onassis through her father's second marriage to Tina Onassis, former wife of Aristotle Onassis.