the stallion dyoll starlight was credited with being the foundation sire of the modern breed, and was a combination of welsh and arab breeding. from his line came an influential stallion of the section b type: tan-y-bwlch berwyn. this stallion was sired by a [[barb (horse)|barb]] and out of a mare from the dyoll starlight line. influential stallions on the section c and d bloodlines include: trotting comet, foaled in 1840 from a long line of trotting horses; true briton, foaled in 1930, by a trotting sire and out of an arab mare; cymro llwyd, foaled in 1850, by an arab stallion and out of a trotting mare; and alonzo the brave, foaled in 1866, tracing his ancestry through the [[hackney (horse)|hackney]] breed to the [[darley arabian]].