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Webster 1913 Edition

Noun.

Relatives; kindred; kin; kinsfolk; persons of the same family or closely related families.

kinfolk ‎(countable and uncountable, plural kinfolks)

(US, also in plural) Relatives, relations.
- 1931, William Faulkner, Sanctuary, Vintage 1993, p. 122:
  ‘You have kinfolks here though. Women. That used to live in this house.’