 Glaphyra was a royal princess of Greek, Armenian and Persian descent.Her father was the Roman ally king Archelaus of Cappadocia, her only natural sibling was her younger brother Archelaus of Cilicia.Her paternal grandfather was a Roman ally and priest-king Archelaus of the temple state of Comana, Cappadocia, while her paternal grandmother, for whom she was named, was the "hetaera" Glaphyra.