United Kingdom, Feb. 5 -- Josh Radnor and Jordana Jacobs have welcomed their first child into the world.

The How I Met Your Mother star - who is best known for portraying Ted Mosby in the CBS sitcom - took to social media to reveal and he and his clinical psychologist significant other had a baby boy "a few months ago".

He wrote on Instagram: "So my wife and I had a baby a few months ago (!!)"

The 51-year-old actor went on to list what he and Jordana have learned since their little one was born, including that the youngster - whose name is yet to be revealed - is "super observant and thoughtful", and that he loves the word "baba ganoush".

He added: "Here's what we know so far: His smile lights up the room. He's super observant and tho...