Eric Trump announces birth of president's 9th grandchild
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President TrumpDonald John TrumpTrump says he doesn't want to use 'adversary' to describe Russia Comey urges Americans to vote for Democrats in midterms Roby wins Alabama GOP runoff, overcoming blowback from Trump criticism MORE is now a grandfather nine times over, with the birth of his son Eric Trump’s first child.

Eric Trump, 33, announced his son's birth in a Tuesday tweet:

The son of the real estate mogul married wife Lara in 2014. 

In a March tweet revealing that the couple was expecting, Trump called it an “amazing” year.

The president’s elder daughter, Ivanka Trump, has three children. His eldest son, Donald Trump Jr., is a father of five.