No it does not. Ashlynn is the daughter of シンデレラ and Prince Charming. 林檎, アップル is the daughter of Snow White and Prince Charming. There are multiple Prince Charmings. They aren't siblings. The twins do have a sister though: her name is Darling.
In the ディズニー versions, I believe there are at least two Prince Charming and I don't know if they are related. I'm not sure about Ever After High though. It might say if あなた buy the ドール または books.
There are もっと見る than one Prince Charming. - The one in Snow White - The one in The Sleeping Beauty - The one in Cinderella Along with others, so it's possible!
あなた know,that does have me stumped.but,cinderella and snow white come from different stories, so that dosent make them related then right????also,more than likely,there are other different prince charmings so, probably not.