Maks Chmerkovskiy and Peta Murgatroyd, newborn son Rio John.Photo:courtesy Peta Murgatroyd and Maks Chmerkovskiy

courtesy Peta Murgatroyd and Maks Chmerkovskiy
On Sunday, June 18, at 2:06 p.m., the couple welcomed son Rio John Chmerkovskiy, the couple shares with PEOPLE exclusively, along with the first look at their newborn.
“We loved Rio, which we came upon at the last minute. It’s a perfect complement to our long surname!" Murgatroyd tells PEOPLE. “We also wanted something easy to say with Shai.”
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Peta Murgatroyd and Maks Chmerkovskiy’s son Rio John.courtesy Peta Murgatroyd and Maks Chmerkovskiy

The couple first announced Rio’s birth on Instagram Sunday, in celebration ofFather’s Day. “Happy Father’s Day to me!” he wrote in his caption, before adding a cheeky remark: “#MadeInPeta.”
Jon Kopaloff/WireImage

Speaking with PEOPLE last month, Chmerkovskiyopened up about how special it is to give her 6-year-old a siblingafter he and Murgatroyd dealt from fertility struggles.
Last summer, Murgatroyd told PEOPLE about Shai’s dedication to being a big brother during her journey through in-vitro fertilization, saying he is “just obsessed with me getting pregnant.”
source: people.com