Meghan Markle and Prince Harry.Photo: Meghan Markle and Prince Harry

Ladbrokesalso has Diana and Spencer as popular picks, with 6/1 and 10/1 odds, respectively.
“Royal punters are seemingly convinced Harry and Meghan’s second born will be named after his mother, regardless of whether it’s a boy or a girl, as Diana and Spencer are currently proving the most popular picks in the betting,” Alex Apati of Ladbrokes said.
Prince Harry and Meghan Markle’s pregnancy reveal on Feb. 14.Misan Harriman

Alfie and Alexandra top the leaderboard at Ladbrokes with 4/1 odds, while Betfair places Arthur (10/1), Thomas (12/1) and Isabella (12/1) with the highest odds.
However, less traditional monikers for the royals are also in running. Ladbrokes has Doria, after Meghan’s mother, in consideration with 12/1 odds, along with Emily (10/1), Sebastian (12/1), Marina (12/1) and Willow (14/1).
Betfair spokesperson Sam Rosbottom said, “Having picked Archie — a name that wasn’t even on our list, for their first child — the odds suggest Meghan &Prince Harrycould opt for a more traditional name for their second with Arthur and Diana the joint 8/1 favorites with Betfair.”
Meghan Markle, Prince Harry and Archie.Henk Kruger/AP/Shutterstock

“We can confirm that Archie is going to be a big brother. The Duke and Duchess of Sussex are overjoyed to be expecting their second child,” a spokesperson for the couple told PEOPLE.
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source: people.com