Board Thread:Character Discussion/@comment-25787479-20141203054356/@comment-5899967-20141203154250

Nightlily wrote:

Chameleon-Guy wrote: Uhm... Ingrid has been inside an urn for 30 years. No, actually, she was trapped in the urn by Gerda, and was eventually released when Hans opened it. We don't know exactly how long she was trapped in there. It's never been stated. She was in the urn since before Elsa was born, even before Gerda was married, so it's more than 30 years...

Elsa, on the other hand, has only been in the urn for a few months/weeks.