Dam of the Two True Blues (牝 Byerley Turk)
 |-- Sister One to True Blue (牝 Honywood's Arabian)
 |   |-- Dam of Miss Belsea (牝 Bartlet's Childers)
 |   |   |-- Midge (牝 1742 鹿毛 Son of Bay Bolton)
 |   |   |-- Camilla (牝 1746 Son of Bay Bolton)
 |   |   |-- Regulus Mare (牝 1749 鹿毛 Regulus)
 |   |   `-- Miss Belsea (牝 1753 鹿毛 Regulus)
 |   `-- Childers Mare Sister (牝 Bartlet's Childers)
 |       |-- Pangloss (牡 1755 栗毛 Cade)
 |       `-- Eloisa (牝 1758 栗毛 Regulus)
 `-- Young True Blue (牡 1718 芦毛 Honywood's Arabian)