Relative to visit frequently in E London? (4)

I believe the answer is:

aunt

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'relative' is the definition.
(aunt is a type of relative)

I don't understand how the remainder of the clue works.

(Other definitions for aunt that I've seen before include "Blood relative" , "Wife of one's uncle" , "Put up with" , "Sister of father/mother" , "Close relative" .)

I've seen this clue in The Times.

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