Drogheda The King's Thunder Pedigree
| Sire: VV King William* | Sire: The Gypsy King* | Sire: The Laughing/Smiling Horse |
| Dam: The Walking Bank (gave birth at Appleby 1992) | ||
| Dam: Vintage Vanner’s Tessa* | Sire: Governor* | |
| Dam: Aisling of Alpha Omega* | ||
| Dam: Drogheda King’s Crown Jewel* | Sire: Birthday Boy King* | Sire: The Gypsy King* |
| Dam: Shampoo Girl* | ||
| Dam: GG Cushti’s Crown* | Sire: Cushti Bok* | |
| Dam: Crown Darby* |
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