They were allergic to shirts? Really? Was it the material, superstition, or something else? I'm sorry to hear about the missing information, though. It's very common for records like that to be destroyed. But! It's really nice that you're willing to write it all down for future generations. That's so important.
I'm not sure if all elves have to, but I'm starting to think the ones I'm related to do all the time. We live outside and travel a lot. None of us stay in one place too long.
That's very kind, thank you! You never know what you might find when you're open to seeing new things.