Cartimandua (or Cartismandua, ruled ca.43 - 69), whose name appears to contain the Celtic element mandu(a) "pony",was a queen of the Brigantes, who formed a large tribal agglomeration in northern England in the early Roman period. She is known from the work of a single Roman historian, Tacitus. History Although Cartimandua is first mentioned by Tacitus in AD 51, her rule over the Brigantes may have already been established when the emperor Claudius began the organized conquest of Britain in 43:… (More on Cartimandua)