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Eric Trump and wife Lara welcome baby son

Lara Trump in a file CBS North Carolina

Eric Trump himself tweeted out a photo of himself holding the newest member of the Trump family, as well.

Eric, 33, President Trump's 2nd son and third child took to Twitter on Tuesday to announce that Lara, 34, had given birth. Eric "Luke" Trump was born at 8:50 Tuesday morning. The couple live in NY, where Eric Trump is executive vice president of the Trump Organization.

US President Donald Trump's family just got a little more "bigly" with the addition of his ninth grandchild.

And Aunt Ivanka Trump wrote, "Welcome to the world, baby boy".

Eric's older brother Donald Trump Jr., who has five children, was quick to publicly rib the new father and mother. His brother, for instance, is Donald J. Trump Jr., while his sister Ivanka's name copies her mother's name, Ivana (Donald's first wife).

Eric Trump's siblings were quick to welcome the bundle of joy via social media. "I can't wait to meet you", she said.