Even before he was president, Donald Trump's five children were in the spotlight.

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His three eldest children appeared as judges on Trump’s hit reality TV show, “The Apprentice,” and its spinoff, “Celebrity Apprentice.” His youngest daughter is an Instagram star, and his youngest son has grown up with the flashes of paparazzi cameras.

But who are Donald, Ivanka, Eric, Tiffany and Barron Trump?

What You Need To Know: Donald Trump Jr.

As Don Jr. and Eric manage the president’s business interests, Ivanka serves as one of his key advisers. Daughter Tiffany is preparing for law school, and Barron is the first boy to live in the White House since the Kennedy administration.

There's more to them than their last name.

>> Click here for a few things you might not know about President Trump’s children.