 Bay Ronald also sired the filly Rondeau, the dam of the very significant sire Teddy (that sired, among others, Athelstan, Ortello, Sir Gallahad III, Case Ace, and Sun Teddy).His dam, Darkie, was a poor performer on the turf with only two placings, both as a two-year-old.Foaled in 1905, Dark Ronald was purchased at the Doncaster sales as a yearling for 1,300 guineas, by breeder Sir Abe Bailey.