Source : Webster's Revised Unabridged Dictionary (1913)

Whose \Whose\ (h[=oo]z), pron. [OE. whos, whas, AS. hw[ae]s,
   gen. of hw[=a]. See {Who}.]
   The possessive case of who or which. See {Who}, and {Which}.

         Whose daughter art thou? tell me, I pray thee. --Gen.
                                                  xxiv. 23.

         The question whose solution I require.   --Dryden.