London OK, it's cool to be Mick Jagger. He's the ultimate rock star, still fronting the Rolling Stones when most of his contemporaries are in quiet retirement.

But being a member of his family? That's a little more complicated.

Jagger has eight children with five different mothers, as well as five grandchildren and one great-grandchild.

But the great-grandchild, Ezra Jackson, is not the youngest one in the clan.

That's Jagger's newborn son, who was born to his girlfriend Melanie Hamrick, 29, on Thursday. (Jagger is 73.)

A photo posted by Assisi Jackson (@assisijackson) on Aug 29, 2014 at 8:42am PDT

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