The famed El Cid battled the Moorish invaders in the area around Valencia during the Middle Ages of Spain. Unless El Cid held dinner parties with the remaining Moors, it is unlikely that he enjoyed Valencian seafood paella because its origins in Spain developed later from the Moors influences on cooking with rice.
Where is Valencia, Spain?
Valencia is on the eastern shore of Spain, about half way between the Pyrenees border with France, and the thorn in Spanish pride at British-occupied Gibralta