Donald Jr.(born December 31, 1977), Ivanka (born October 30, 1981), and Eric (born January 6, 1984) are Trump's three eldest children, from his first marriage with Ivana Trump.

Following the inauguration, Donald Jr. and Eric took charge of the family's real estate empire.

Donald Trump Jr

Eric Trump

Ivanka moved to Washington, D.C., with her husband Jared Kushner, who was appointed to a senior White House advisory position.

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Tiffany Ariana Trump (born October 13, 1993) is Donald Trump's only child with Marla Maples. In 2016, she participated little in her father's campaign because she was studying sociology and urban studies at the University of Pennsylvania. Shortly after graduating, she made a supportive speech for her father at the Republican National Convention at age 22.

Tiffany Trump

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Barron William Trump (born March 20, 2006) is Trump's youngest child and his only child with Melania Trump.

Barron is 6-foot-7 at age 15

In May 2006, Barron Trump was baptized at the Episcopal Church of Bethesda-by-the-Sea in Palm Beach, Florida. He attended the Columbia Grammar & Preparatory School in Manhattan. In addition to English, Barron is fluent in Slovene.

Barron is known to be a fan of soccer. He appeared in an Arsenal F.C. jersey and met D.C. United players at the White House Easter Egg Roll in April 2017. In September 2017, he was selected to join the U-12 team for D.C. United's Development Academy for the 2017–2018 season. As of February 2019, Barron played with the Arlington Soccer Association. As of August 2021, he attended Oxbridge Academy, a private college-preparatory high school in West Palm Beach, Florida.

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Donald Trump has 10 grandchildren. Donald Trump Jr. and his former wife Vanessa had five children, Ivanka Trump and her husband Jared Kushner three, and Eric Trump and his wife Lara two.

The five Trump Jr and Vanessa children

Tristan (2011), Venessa (2014), Spencer 2012, Donald III (2009), Kai (2007)

Kai Madison Trump is Donald Trump's eldest grandchild. Born on May 12, 2007. She is the oldest daughter of Donald Trump Jr. and Vanessa Trump.

The three Ivanka Trump and her husband Jared Kushner children

Arabella (2011), Theodore (2016) Joseph (2013),

The two Eric and Lara Trump children

Carolina (2019), Luke (2017)

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Michael & Tiffany Boulos, Vanessa & Donald Jr Trump, Ivanka & Jared Kushner, Eric & Lara Trump