The Envoy from Tyre

Twin Seers in Tyre were separated 25 years ago when one is given as tribute to Egypt - one way for an appeal for trade. Unsuccessful as it turned out.
Omar, an Egyptian enslaved to Tyre (as an Envoy), learns from a visiting merchant that she caught the Pharaoh's eye on arrival and a royal daughter was born. Omar's masters see a golden opportunity for a trade mission, and he is sent with a letter to investigate its truth.
At a time when the Queen Regent, Hatshepsut, is making a claim for the throne, rather than wait for the rightful heir to come of age, not everyone is pleased to see a woman challenging ancient law.
A stranger to his native land, Omar's origins come to the fore when the two events coincide and he's entangled in intrigue and dangerous knowledge as he takes his first footsteps,