Well, not older than I imagined.
Fairy Tales Could Be Older Than You Imagined.
A lot is going to depend on definitions of what is a similar story. I have very much liked the Aarne-Thompson-Uther classification, but even I sometimes look and ask myself "Do we just want this to be true?"
Do not read the comments. The best of them tell you things you probably could have thought of on your own, and the worst of them are infuriating.