Meghan, Harry name baby son Archie Harrison

Prince Harry and Meghan, Duchess of Sussex, with Baby Sussex.
Prince Harry and Meghan, Duchess of Sussex, during a photocall with their newborn son at Windsor Castle in south England Wednesday.
Dominic Lipinski | Pool via AP

Updated: 10:52 a.m. | Posted: 7 a.m.

Two tired but beaming parents and one blissfully sleeping baby posed for the cameras Wednesday as Prince Harry and Meghan, the Duchess of Sussex, helped satisfy a huge global appetite for images and details about their newborn son.

Standing in the vast, red-carpeted St. George's Hall at Windsor Castle, Meghan declared the baby, named Archie Harrison Mountbatten-Windsor, "a dream" and called motherhood "magic."

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Harry cradled his son in his arms as the couple posed for the cameras — the first in a lifetime of photo calls for the two-day-old baby, who is seventh in line to the British throne.

Baby Archie lay silently, swaddled in a white blanket and wearing a matching knitted cap. He was born Monday at 5:26 a.m. and weighed 7 pounds, 3 ounces.

Meghan declared motherhood to be "magic."

"It's pretty amazing," said the 37-year-old American, formerly known as Meghan Markle. "I have the two best guys in the world, so I'm really happy."

She said the baby had "just been a dream."

"He has the sweetest temperament. He's really calm," she said.

Harry quipped: "I wonder who he gets that from."

Asked which parent the baby took after, Harry said it was too soon to tell.

"Everyone says that babies change so much over two weeks," said the 34-year-old prince. "We're basically monitoring how the changing process happens over this next month really. But his looks are changing every single day, so who knows.

Prince Harry and Meghan, Duchess of Sussex, with Baby Sussex.
Baby Sussex was born Monday at an as-yet-undisclosed location. An overjoyed Harry said he and Meghan are "thinking" about names.
Dominic Lipinski | Pool via AP

"We're just so thrilled to have our own little bundle of joy," he added.

The couple left the photo call to introduce the baby to his great-grandparents, Queen Elizabeth II and Prince Philip. The infant is the eighth great-grandchild of 93-year-old Elizabeth, Britain's longest reigning monarch.

Meghan's mother, Doria Ragland, is staying with the couple at their Frogmore Cottage home near the queen's Windsor Castle residence.

Family members have welcomed the new arrival with Prince William, Harry's older brother, joking Tuesday that he will be glad "to welcome my own brother into the sleep deprivation society that is parenting!"

"Obviously thrilled, absolutely thrilled, and obviously looking forward to seeing them in the next few days," William told reporters.

Meghan, the former star of the TV show "Suits," married Harry, the ex-soldier younger son of Prince Charles and Princess Diana, in May 2018. An audience of millions around the world watched the spectacular televised wedding ceremony at Windsor Castle, 20 miles west of London.

Correction (May 8, 2019): This story corrects the status of Queen Elizabeth II and her husband Philip to great-grandparents, not grandparents.