Aerin Lauder – $1.63 Billion
Aerin Lauder is in business for her own ventures but is also the heiress to billions of more dollars. She is the granddaughter of Estee Lauder and Joseph Lauder – the co-founders of the Estee Lauder Companies, the famous
cosmetics brand.

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After working for the organization in college, Aerin graduated from the University of Pennsylvania and worked up to become the style and image director for Estee Lauder Companies. As well as Estee Lauder, she has her own line of products called AERIN and owns 16 million shares in her family’s business.
Athina Onassis – Estimated $1 Billion
Athina Onassis is the only heiress of the Greek shipping company Aristotle Onassis. She is the daughter of Christina Onassis, who herself inherited 55% of her father’s fortune after he passed away. When Athena was just seven years old, the New York Times named her as one of the year’s newest billionaires.

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For the most part, her wealth is unknown to the public. However, it is thought to be at around $1 billion – considering all of the other companies her family is involved in.