Ἀτρεΐωνος Ἀτρεΐων, son of Atreus Morpho works with a static database. If you like, you can compare the output of Morpheus.Parsed as: ✓ Proper-name noun masculine genitive singular of Ἀτρεΐων Search the corpus for this form only: Ἀτρεΐωνος Ἀτρεΐων Masculine SingularDualPlural Nominative – – – Genitive Ἀτρεΐωνος – – Dative Ἀτρεΐωνι – – Accusative Ἀτρεΐωνα – – Vocative – – –