Page "Goths" Paragraph 27

According to Jordanes's Getica, the Goths entered Oium, part of Scythia, under their 5th king, Filimer, where they subdued the Spali ( Sarmatians ), conquered the Kingdom of the Bosporus and captured several cities on the Euxinean coast, including Olbia and Tyras.

There they became divided into the Visigoths ruled by the Balthi family and the Ostrogoths ruled by the Amali family.

Jordanes parses Ostrogoths as " eastern Goths ", and Visigoths as " Goths of the western country.