Destrier between the Percheron and the Andalusian; and the Warlander, a cross between the Andalusian and the Friesian horse. A good destrier was expensive. 7th-century Salic law gives a price of 12 solidi as weregild, or reparational payment, for a war horse, compared to 3 solidi for a sound mare or 1 solidus for a cow. In later centuries destriers became even more expensive: the average value of each of the horses in a company of 22 knights and squires in the county of Flanders in 1297 compares to the price of seven normal coursers. The price of these destriers varied
Battle of Adrianople and ushering in the age of the Medieval knight. This idea was overturned by T. S. Burns in 1973. Burns shows that the Gothic army's cavalry arm was fairly small, that Valens would actually have had more cavalry and that while the role of Fritigern's cavalry was critical to his victory, the battle was a mainly infantry versus infantry affair. The Medieval knight was not to rise for several centuries after Adrianople. It is also often stated that the defeat at Adrianople led to changes in the composition of the late Roman Army and an increase in the use of