The Game of Thrones family just got bigger! Alums Kit Harington and Rose Leslie just welcomed their first child together: a bouncing baby boy.

News spread as Page Six published a photo of the couple running errands in London with a baby strapped to Leslie. The couple’s rep confirmed that they have welcomed a son and are “very, very happy.”

The couple, who got hitched, confirmed the pregnancy news back in September when Rose revealed her baby bump for a photoshoot with Make Magazine.

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