No reputable breeder breeds for "larger" over standard (5 / 7 pounds) yorkies. I know how you feel about the large ones. My now passed girls (4 in total) as adults weighed in at one 9 Lbs, 2 at 13 Lbs my last girl was 17 Lbs, my adopted boy is 12 Lbs. Larger yorkies suit my life style. You may be better off looking at adoption, rescue shelters, there you can see the size of the dog. Good luck in your quest in finding your baby.