I am translating the sentence from English into Japanese:

> On Christmas I get toys from my **sister**.

I have no idea if the sister is older or younger than the speaker. So, if I
don't want to be guessing, I can use neither 姉 nor 妹. Which word should I use
in this case?

Thank you!
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2019-06-14T03:42:21.517
68853
2019-06-14T03:42:21.517
31549
question
words word-requests
Japanese word meaning "sister" if the position in the family is unknown