Shakespeare Mare (牝 1763 Shakespeare)
 |-- Wildair Mare (牝 Syme's Wildair)
 |   `-- Balls Northumberland (牡 芦毛 Tayloe's Bellair Second)
 |-- Sweetbriar (牡 1769 栗毛 Syphon)
 |-- Syphon Mare (牝 1770 鹿毛 Syphon)
 |   `-- Matchem Mare (牝 1777 栗毛 Matchem)
 |       |-- Fidget (牡 1783 鹿毛 Florizel)
 |       |-- Sister One to Toby (牝 1784 Highflyer)
 |       `-- Eager (牡 1788 鹿毛 Florizel)
 |-- Alexis (牡 1771 栗毛 Herod)
 `-- Mentor (牡 1784 黒鹿毛 Justice)