In 2004, Donald Trump Jr., the eldest of Donald Trump’s five children, purchased an apartment for $990,000 in a Trump-branded building at 220 Riverside Boulevard on Manhattan’s west side.

Factoring in renovations to what he paid for the three apartments, Eric Trump will have spent about $3.3 million to create the top-floor unit. Based on a price per square foot estimate, ...

With Donald Trump's return to the White House, the Trump family's fortune is surging as many question the line between presidential power and private profit.

Donald Trump and his three eldest children, Donald Trump, Jr., Eric Trump, and Ivanka Trump, address the press outside Trump International Hotel & Tower in 2007. Charles Rex Arbogast/AP ...