Kirsten and Jorn Rausing are a remarkable success story. They are two of the world's wealthiest individuals, with a combined net worth of over $20 billion. They are the heirs to the Tetra Pak fortune, which was founded by their grandfather,
From Wikipedia
Eva Kirsten Elisabet Rausing is a Swedish-British businesswoman, who owns a third of the holding company Tetra Laval and sits on the company board alongside other members of her family.