In Greek mythology, Protomedea or Protomedia (Ancient Greek: Πρωτομέδεια Prôtomedeia) was one of the 50 Nereids, marine-nymph daughters of the 'Old Man of the Sea' Nereus and the Oceanid Doris.^[1] Her name means 'the first ruleress'^[2] or 'first queen, first counsel'.^[3]