The Collaborative International Dictionary of English v.0.48:

Feudatory \Feu"da*to*ry\, n.; pl. Feudatories.
   A tenant or vassal who held his lands of a superior on
   condition of feudal service; the tenant of a feud or fief.
   [1913 Webster]

         The grantee . . . was styled the feudatory or vassal.
                                                  --Blackstone.
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         [He] had for feudatories great princes.  --J. H.
                                                  Newman.
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