New Delhi, Oct. 7 -- The America's richest real estate mogul, Donald Bren, has reportedly cut ties with his son, David Bren, 33, after allegations surfaced that the son defrauded investors of over $2 million by promoting a fake business he described as the "ultimate man cave" for the super-wealthy.

David claimed that "The Bunker" would offer exclusive access to a collection of luxury cars like Ferraris, Bugattis, and Porsches, along with tailored dining experiences and premium wines and cigars, according to investor materials reviewed by the Los Angeles Times.

Numerous lawsuits have claimed that David entirely invented the business concept referred to as "the Soho House for car lovers". The majority of investors said they lost no less t...