Pippa Middleton Has Welcomed a Baby Girl With Husband James Matthews

The Duchess of Cambridge's younger sister and her hedge fund manager husband

welcomed their third child, a baby girl, a couple of weeks ago, People confirms.

The little girl, whose name we don't yet know, is a brand new sister for Arthur, 3, and Grace, 1.

She is also another cousin for the Cambridge kids, George, Charlotte and Louis.

On their dad's side, the little Cambridges have Prince Harry and Meghan Markle's

children Archie, 3, and Lilibet, 1, for first cousins.

Kate Middleton's other sibling, James Middleton, and his new wife Alizée

Thevenet, don't yet have any kids of their own—though they do have a ton of dogs.

Pippa Middleton and James Matthews were married in 2017, with the Duke