It’s another kid forKevin McKidd!

TheGrey’s Anatomyactor, 45, and his wife Arielle Goldrath welcomed their second child together and McKidd’s fourth total, the actor posted on Instagram on Tuesday.

“I’m so happy to announce the arrival of our little baboo – Nava James McKidd,”McKidd wrote alongside his post. “She is amazing and our whole family feels blessed.”

The actor confirmed to PEOPLE that Nava arrived on Saturday, July 27, weighing 6 lbs., 5 oz., measuring 20 in. long.

McKidd and Goldrath also share sonAiden, 16 months, while the actor is dad to daughterIona, 17, and sonJoseph, 19, from his previous marriage.

Courtesy Kevin McKidd

Kevin McKidd

“We just got her home and Aiden is already a brilliant big brother to her,” McKidd continued. “Joe and Iona are the best guiding lights to these new souls. Arielle is a WARRIOR and I’m so proud to witness her natural mothering strength and wisdom. Full of love and gratitude#clanmckidd”

Kevin McKidd

McKidd — whosedivorce from ex-wife Jane Parkerwas finalized in December 2017 after 17 years of marriage, following their separation in 2015 — announced he had married Goldrath, a private chef, in March 2018.

He shared that “close friends and family came together with myGrey’sfamily to share in our celebration day —an intimate, low key gatheringculminating in a Scottish Ceilidh dance.”

McKidd concluded, “There’s much to be grateful for and we’re thrilled for the adventures 2018 will bring us all!”

Aiden arrived in May of last year — onMother’s Dayof all days! — when the proud father captioneda black-and-white photoof Goldrath cuddling with their newborn, “On this beautiful Mother’s Day evening … ”

“Welcomelittle Aiden to our familyand to the world!” McKidd continued. “Arielle, you’re the most amazing mother and I love you both so much!”

McKidd, who plays former U.S. Army trauma surgeon Owen Hunt, joinedGrey’s Anatomyduring its fifth season as a love interest forSandra Oh‘s Cristina Yang.

source: people.com