Relations stretched group (8,6)

I believe the answer is:

extended family

'relations' is the definition.
(I've seen this before)

'stretched group' is the wordplay.
'stretched' becomes 'extended' ('extend' can be a synonym of 'stretch').
'group' becomes 'family' (family is a kind of group).
'extended'+'family'='EXTENDED FAMILY'

(Another definition for extended family that I've seen is " relations".)

I've seen this clue in The Irish Times.

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