Royal Letter (牝 1877 鹿毛 Queen's Messenger)
 |-- Commission (牝 1887 黒鹿毛 Barcaldine)
 |   |-- Kendal Mare (牝 1893 鹿毛 Kendal)
 |   |   `-- Fame and Fortune (牝 1900 鹿毛 Sweetheart)
 |   `-- Weeping Ash (牝 1895 鹿毛 Ashplant)
 |       |-- Earla Mor (牡 1901 黒鹿毛 Desmond)
 |       |-- Gulnare (牝 1903 黒鹿毛 Desmond)
 |       `-- Sistertoearlamor (牝 1907 鹿毛 Santoi)
 |-- Patent (牝 1888 黒鹿毛 Barcaldine)
 |   `-- Castle Queen (牝 1895 黒鹿毛 Deuce of Clubs)
 |       `-- Santee (牝 1908 栗毛 Santoi)
 `-- Letterewe (牝 1891 栗毛 Barcaldine)
     `-- Petit Bleu (牝 1902 鹿毛 Eager)
         |-- Blue Tit (牝 1908 黒鹿毛 Wildfowler)
         |-- Depeche (牝 1910 鹿毛 Gallinule)
         `-- Blue Pete (牡 1921 栗毛 Corcyra)