Ziff, who has an estimated net-worth of $4.4 billion, is the eldest son of the late publishing magnate William Ziff, Jr.
He and his brothers inherited their father's fortune after he sold 95% of his publishing business to private equity firm Forstmann Little for $1.4 billion. With that money started Ziff Brothers Investments, which invests in a variety of asset classes, private equity and
The Ziffs also provided seed money to hedge funder Daniel Och. In exchange, they got a 10 percent stake in
Dirk and his wife, former Forbes reporter Natasha Bacigalupo, bought the manor in 2002 for $6.25 million, records show.