'Game of Thrones' Star Hafthor Julius Bjornsson aka The Mountain & Wife Kelsey Henson Expecting First Baby!

The Mountain is going to be a dad!

Game of Thrones star Hafthor Julius Bjornsson announced on Friday (April 10) that he and wife Kelsey Henson are expecting their first child together.

Hafthor – who played Ser Gregor Clegane, aka “The Mountain” – shared photos from their gender reveal party as he and Kelsey found out they’re going to have a boy.

Hafthor and Kelsey tied the knot in Iceland back in October 2018 after dating for a little more than a year.

If you didn’t know, he is 6’9″ while she is only 5’2″!

Check out pics from Hafthor and Kelsey‘s gender reveal party here!