Gammer S198 is a direct daughter of the now-deceased $85,000 Whitestone Farms in Virginia donor, Gammer 85 sired by the calving-ease sire, Forte. Gammer 85 a WR 3@113 and a YR 3@112 while showing ultrasound ratios IMF 46@102 and REA 47@102. Eleven maternal sisters to Gammer S198 maintain a combined WR 25@101.

Gammer S198 is a full sister to Woodhill Foresight and a maternal sister to Bon View New Design 878. Her maternal sister, Three Trees Gammer 5597, was the $130,000 top-selling full interest heifer of the 2006 Three Trees Sale to SandPoint Cattle Company and went on to sell one-half interest for $120,000 for a $240,000 valuation. Also in the Deer Valley donor program is another maternal sister, Whitestone Gammer W194, sired by Retail Product.