[The name "Eleanor" in English is usually a form of "Helen" (or "Ellen" or "Elaine"), derived from the Greek for "light", and has many variants in various languages.]
Among the women known to history as "Queen Eleanor" are:
... a notary of Gothic kings in Italy. At the time of Justinian, he was a Christian and possibly bishop of Croton. In approximately 580, he wrote "De origine actibusq ...