Jack Huston welcomed baby girl Sage with girlfriend Shannan Click on April 6, 2013 in New York City. Credit: Rob Kim/FilmMagic

There's another generation in the Huston Hollywood dynasty! Boardwalk Empire actor Jack Huston welcomed his first child, a daughter, with girlfriend Shannan Click in NYC on Saturday, April 6, his rep confirms to Us Weekly.

Huston, 30 and his Victoria's Secret model girlfriend, 29, confirmed to Us in October that they were expecting. The couple named their baby girl Sage Lavinia Huston.

Sage is now the newest member of the famous family. The HBO star is the son of Lady Margot Lavinia Cholmondeley (after whom baby Sage Lavinia is named) and Walter Anthony Huston, and the paternal grandson of the late director John Huston and the maternal grandson of the late Hugh Cholmondeley, 6th Marquess of Cholmondeley. He is also the nephew of actors Angelica Huston and Danny Huston.

In an interview with Parade magazine in September 2012, he said of his family, "They're massively supportive. They're the best. I'm so lucky to have such a great family."

"I respect them so much professionally, and they've been unconditionally supportive in the choices that I've made," he added. "It's been very good having them on my side."