Eric Trump announces birth of president's 9th grandchild
© Twitter

President TrumpDonald John TrumpTillerson: Russia already looking to interfere in 2018 midterms Dems pick up deep-red legislative seat in Missouri Speier on Trump's desire for military parade: 'We have a Napoleon in the making' 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.