001.02.05

Ἀτρεὺς τὴν ἐν Μυκήναις βασιλείαν εἶχεν.

Ἀτρεύς, -έως, m., son of Pelops and brother of Thyestes, and father of Agamemnon and Menelaos.
Μυκῆναι, -ῶν, f., Mycenae, the capital city of Agamemnon, in Argolis. Remains of its Kyklopic walls still exist.
βασίλεια, -ας, f., kingdom, dominion, realm.
εἶχεν, (ἔχω), had.