GMR Buckingham Mello Yellow Sage Sir Buckingham x GMR PeeWee Beauty Queen AMHR 28.75" Cremello Mello Yellow is the result of crossing our first stallion bloodlines with our present Buckeroo bred stallion. We are looking forward to adding this creme gene carrier to our broodmare band, as well as continuing our little "PeeWee's" bloodline. Mellow Yellow had her first foal in 2011, a gorgeous little buckskin filly! See the 2011 foal page.