Orithyia. In Greek mythology, Orithyia or Oreithyia was the name of the following women: Orithyia, one of the Nereids.
   Orithyia, a daughter of Cecrops, wife of Makednos and mother of Europus. Orithyia, a daughter of Erechtheus.
   Orithyia, a nymph, called by some the grandmother of Adonis.
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