Assuming it's pulled out a fairy-tale world even to more a high fantasy one, Cinderella's a bit off.
Ella -- I don't like. And I play around with E-based names, and then L-based ones, and finally manage to ease out into non-related names. . . .
Meanwhile the muse is also reflecting that it fits the world of Queen Shulamith's Ball, but if I put it in the City I will also have to keep up the stylistic experiment there and add more plot threads. OTOH, I don't have to repeat any characters. . . .