Source : Webster's Revised Unabridged Dictionary (1913)

Graff \Graff\, n. [OE. grafe, greife, greive. Cf. {Margrave}.]
   A steward; an overseer.

         [A prince] is nothing but a servant, overseer, or
         graff, and not the head, which is a title belonging
         only to Christ.                          --John Knox.

Graff \Graff\ n. & v.
   See {Graft}.