In the cantar de gesta of the Cid he plays the part attributed by medieval poets to the greatest kings, to Charlemagne himself.
Gil Sanches, an illegitimate son of Sancho I., and we possess a cantar de amigo in Galician-Portuguese, the first literary vehicle of the whole Peninsula, which appears to be the work of Sancho himself, and addressed to his concubine, A.
Bernardo is the hero of a cantar de gesta (chanson de geste) written to please the anarchical spirit of the nobles.
A cantar is 99.05 lb avoirdupois.
Local weights and measures include the cantar, 175 lb; salm, one imperial quarter; cafiso, 42 gallons; canna, 6 ft.