If another language uses the same word for their aunt or uncle, a decent way to represent that in English is `AuntOrUncle`.
If the word 'Sibling' didn't exist, `BrotherOrSister` could be used instead.
If another language uses the same word for their aunt or uncle, a decent way to represent that in English is `AuntOrUncle`.
If the word 'Sibling' didn't exist, `BrotherOrSister` could be used instead.