Breaks bread, son, and excludes from position (6)

I believe the answer is:

debars

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'excludes from position' is the definition.
I can't tell whether this defines the answer.

'breaks bread son' is the wordplay.
'breaks' is an anagram indicator.
'son' becomes 's' (genealogical abbreviation for son).
'bread' anagrammed gives 'debar'.
'debar'+'s'='DEBARS'

'and' acts as a link.

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I've seen this clue in the Sydney Morning Herald.

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