Blue Light (牝 1870 栗毛 Rataplan)
 |-- Bengal Light (牝 1881 鹿毛 Beauclerc)
 |   |-- Light Artillery (牡 1890 黒鹿毛 Trenton)
 |   `-- Will o the Wisp (牡 1891 Marvellous)
 |-- Lady Muncaster (牝 1884 栗毛 Muncaster)
 |   |-- Isoletta (牝 1891 鹿毛 Isonomy)
 |   |   |-- Galicia (牝 1898 黒鹿毛 Galopin)
 |   |   |-- Charmer (牝 1901 鹿毛 Orme)
 |   |   `-- Chere Reine (牝 1903 黒鹿毛 Florizel)
 |   |-- Volumnia (牝 1898 Royal Hampton)
 |   |   `-- Nanita (牝 1907 鹿毛 Ninus)
 |   `-- Laputa (牝 1902 黒鹿毛 Ladas)
 |       `-- La Delivrance (牝 1913 栗毛 Ajax)
 |-- Help (牡 1886 鹿毛 Charibert)
 `-- Royal Blue (牝 1890 青毛 Charibert)
     `-- Mary Queen of Scots (牝 1914 Great Scot)
         `-- Royal Union (牝 1918 John o'Gaunt)