Crossword Genius

Mostly benevolent western sultanate imprisoning second family member (9)

Ross

I believe the answer is:

kinswoman

I'm a little stuck... Click here to teach me more about this clue!

'family member' is the definition.

'mostly benevolent western sultanate imprisoning second' is the wordplay.
'mostly benevolent' becomes 'kin' (I can't justify this - if you can you should believe this answer much more).
'western' becomes 'w'.
'sultanate' becomes 'oman' (I've seen this before).
'imprisoning' indicates putting letters inside.
'second' becomes 's' (common abbreviation).
'kin'+'w'+'oman'='kinwoman'
'kinwoman' enclosing 's' is 'KINSWOMAN'.

Can you help me to learn more?

(Other definitions for kinswoman that I've seen before include "Relation" , "Female family member" , "Female relative" , "one of the family!" .)

I've seen this clue in The Telegraph.
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