Translation of "이모가" in English

아니면, 그냥 이모가 되어야 할까요?

Or would I be an aunt?

릴리 이모가 질문에 놀랐는지 모르겠지만

I don't know if his Aunt Lily was surprised by the question.

중매 이모가 형식을 주시고 "이대로 해"라고 하셨어요.

The matchmaker gives me a format and says, "Follow this,"