Family member from Taunton (4)
I believe the answer is:
aunt
'family member' is the definition.
(sister of a parent)
'from taunton' is the wordplay.
'from' indicates the answer is hidden within the clue.
'AUNT' can be found hidden inside 'taunton'.
(Other definitions for aunt that I've seen before include "Female relative" , "Tuna gone bad for the relative" , "Family member" , "Charley's ___ , farce staged in London in 1892, revived and adapted ever since" , "Charley's in play?" .)