Cosmah 　

Arbitrator (牝 1937 Peace Chance)
 `-- Almahmoud (牝 1947 Mahmoud)
     |-- Cosmah (牝 1953 Cosmic Bomb)
     |   |-- Cosmiah (牝 1959 Olympia)
     |   |-- Flamingo Way (牝 1960 Third Brother)
     |   |-- Maribeau (牡 1962 Ribot)
     |   |-- ファーザーズイメージ (牡 1963 栗毛 Swaps)
     |   |-- Royal Match (牝 1964 Turn-to)
     |   |-- Perfecta (牝 1965 Swaps)
     |   |-- Queen Sucree (牝 1966 Ribot)
     |   |-- Love of Learning (牝 1967 Hail to Reason)
     |   |-- Halo (牡 1969 Hail to Reason)
     |   |-- Jo Dan (牝 1970 Buckpasser)
     |   |-- La Dame Du Lac (牝 1973 Round Table)
     |   `-- Honor Tricks (牝 1976 Bold Bidder)
     |-- Natalma (牝 1957 Native Dancer)
     |   |-- Northern Dancer (牡 1961 Nearctic)
     |   |-- Arctic Dancer (牝 1963 Nearctic)
     |   |-- ノーザンネイティヴ Northern Native [加] (牡 1966 青鹿毛 Nearctic)
     |   |-- Native Era (牝 1969 Victorian Era)
     |   |-- Nostrum (牡 1971 Dr. Fager)
     |   |-- トランスアランティック Transalantic [米] (牡 1972 栗毛 Nearctic)
     |   |-- Spring Adieu (牝 1974 Buckpasser)
     |   |-- Raise the Standard (牝 1978 Hoist the Flag)
     |   `-- Born a Lady (牝 1981 Tentam)
     `-- Bubbling Beauty (牝 1961 Hasty Road)
         |-- Arctic Tern (牡 1973 Sea-Bird)
         |-- Champagne Cocktail (牝 1976 Roberto)
         `-- バーグバブル Vague Bubble [米] (牝 1980 鹿毛 Vaguely Noble)