Chad Lowe is a dad for the third time!

The 48-year-old actor and his wife, Kim Painter, welcomed their third baby, a daughter named Nixie Barbara Lowe, on Friday, March 18, Chad confirmed to People.

“She came a little early, but she’s small and mighty,” Rob Lowe‘s younger brother told the entertainment news outlet. “All is well.”

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According to Chad and Kim, Nixie’s name references the water sprites of German folklore. “[It] seemed like a good fit because we’re both avid surfers — my wife more so than me — and are involved in the Waterkeeper Alliance,” the ER star said. Her middle name, Barbara, honors Chad’s late mother, Barbara Lynn Wilson.

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Chad, Kim, Mabel and Fiona in June 2015.

Chad and Kim — who married in August 2010 — are already parents to two older daughters, Mabel Painter Lowe, 6, and Fiona Hepler Lowe, 3.

Congrats to the Lowe family on their adorable new addition!