House of Greystock

• Coat of Arms
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  House of Greystock
  Lords of Greystoke and Morpeth
  John de Greystock was created 1st Baron Greystock in 1295 but died without male issue

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  House of Greystock
  Alternative arms variant according to Burke's Peerage

• Cadet Branches
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  House of Greystoke
  Lords of Grimethorpe and Greystoke
  Barons Greystoke
  Matrilineal branch issued from Joan, daughter of Thomas de Greystock and aunt of John de Greystock, 1st Baron Greystock