Godolphin Arabian
Blank was a bay colt bred by the 2nd Earl of Godolphin and foaled in 1740. He was sired by Godolphin Arabian, who was an Arabian horse and three-time Champion sire. Amongst Godolphin Arabian's other progeny were Lath, Cade, and Regulus. Blank's dam was Little Mare, also known as Amorett, who was a daughter of Flying Wigg.