I prefer
Odile to
Odette, and if they'd been my triplets and someone held a gun to my head, or to theirs, I'd have changed the names somewhat.
Emily rather than
Emmeline, certainly;
Odile rather than
Odette; and I'm not sure what I'd have done about
Celine:
Celia perhaps, or even
Sally.
How do people pronounce
Emmeline in the US? A A Milne rhymed
Emmeline with 'seen' and 'green' and 'queen', and that's what I grew up with. If he'd wanted to, he could have rhymed it with
Caroline and written a different poem, but he went with what was clearly the default version in the 1920s or whenever!