Initially, Tigranes ruled Armenia as a sole ruler but the Armenian nobles were dissatisfied with this situation and restored Queen Erato back to the throne as Tigranes' co-ruler. Tigranes' co-rule with Erato is supported by numismatic evidence.
Initially, Tigranes ruled Armenia as a single ruler but the Armenian nobles were displeased with this arrangement and reinstated Queen Erato to share the throne with him. The co-rule of Tigranes and Erato is corroborated by numismatic evidence.