Imported mare *Nantgwinau Samantha is by Derwen Desert Express, sire of George Prince of Wales Cup producer Crugybar Mabon Mai. Derwen Desert Express descends from Derwen Railway Express, Nebo Black Magic (George Prince of Wales Cup winner), and Pentre Eiddwen Comet (George Prince of Wales Cup winner). Samantha is half-sister to George Prince of Wales Cup winners Fronarth Model Lady and Fronarth Super Model.