Ducange has collected from the original
authors the state and history of the Varangi at
Constantinople, (Glossar. Med. et Infimae Graecitatis, sub voce
Med. et Infimae Latinitatis, sub voce Vagri. Not. ad Alexiad. Annae Comnenae, p. 256, 257, 258. Notes sur
Villehardouin, p. 296 - 299.) See likewise the annotations
of Reiske to the Ceremoniale Aulae Byzant. of Constantine,
tom. ii. p. 149, 150. Saxo Grammaticus affirms that they
spoke Danish; but Codinus maintains them till the fifteenth century in the use of their native English: