As 2012 KWPN performance test champion and 2013 Pavo Cup champion Everdale is a popular stallion who produces superb foals. His son Kansas Boy comes from an excellent sport dam line. Dam and grandam are Elite mares; Ziementa CL (Rousseau) competed at Z2 dressage level and grandam Time Less (Nourejev) ZZ -Zwaar. Greatgrandam is the famous Z1 dressage mare Lincolm's Liementa (Havidoff). She produced five dressage horses at Z1 level and higher, including the Prix St. Georges horse Princes Lincom (Junior STV) and Rammezottie (Kelvin), and is grandam of three Small Tour horses: Chuppy Checker, Worker CL and Welldone CL.AES Licensed grandsons are Worker CL and Elton John.
Kansas Boy's half-sister Diementa CL (Tuschinski) finished 17th in the Pavo Cup final for 4-year-olds in 2012.