Early Life and Background
Pharaoh Teos, also known as Djedhor or Tachos, was a prominent ruler of Egypt’s 30th Dynasty. Born into royalty, he was the son of Nectanebo I, a celebrated pharaoh who successfully defended Egypt from Persian invasions. As co-regent with his father for three years, Teos gained valuable administrative and military experience before ascending to the throne around 361 BCE.
Teos’s family played a significant role in his rise and fall. His father, Nectanebo I, left him a stable and prosperous kingdom. His brother, Tjahapimu, and nephew, Nakhthorheb (later known as Nectanebo II), were integral to his eventual betrayal. This familial conflict underscores the political instability within Egypt’s royal court during his reign.
Reign of Teos
Teos inherited a relatively stable Egypt, bolstered by his father’s military and diplomatic successes. His royal title, “Djed Hor Stp.n Inhr,” symbolized his divine mandate, aligning him with Horus and Anhur, traditional Egyptian gods of kingship and war.
Teos’s reliance on foreign mercenaries and disregard for Egypt’s priestly class alienated key supporters, leaving him vulnerable to betrayal.
Teos’s reign began with ambitious projects, but his domestic policies, particularly his methods of funding military campaigns, sowed seeds of discontent. To finance his plans, he imposed heavy taxes and seized temple assets, disrupting the delicate balance between the monarchy and the powerful priesthood. These actions alienated key supporters, including the religious elite and the general populace, eroding his popularity.
Military Campaigns Against Persia
Inspired by his father’s victories and sensing a moment of weakness in the Persian Empire, Teos sought to expand Egypt’s influence into Palestine and Phoenicia. These regions were strategic for Egypt’s security, trade, and resistance against Persian hegemony.
Teos formed significant alliances to bolster his military campaign. He enlisted Spartan king Agesilaus II, who commanded Greek mercenaries, and Athenian general Chabrias, who provided a fleet of 200 triremes. These partnerships highlighted the increasing reliance of Egyptian rulers on Greek military expertise.
The Egyptian forces, including a large contingent of machimoi (native Egyptian soldiers), complemented the Greek mercenaries. Ancient sources, like Diodorus Siculus, claimed that the machimoi numbered 80,000, although this figure is likely exaggerated.

Egyptian Pharaoh Teos, cartouche fragment
Execution of the Campaign
Teos led his forces to Phoenicia, encountering little resistance in the early stages. However, his leadership style and the hierarchy within the coalition caused friction. Agesilaus, an experienced commander, resented serving under Teos, whom he viewed as less capable.
The expedition’s success was undermined by tensions within the ranks. Disagreements between Teos and Agesilaus weakened the unity of the coalition. These internal divisions foreshadowed the betrayals that would eventually doom the campaign.
Betrayal and Downfall
Teos’s brother, Tjahapimu, who had been left as regent in Egypt during the campaign, conspired against him. Exploiting Teos’s unpopularity and leveraging support from the priestly class, Tjahapimu persuaded his son, Nakhthorheb, to declare himself pharaoh. Nakhthorheb gained the loyalty of Agesilaus, who sided with him against Teos.
With his allies turning against him, Teos had no choice but to flee. He sought refuge at the court of the Persian king Artaxerxes II in Susa, an ironic twist given that the campaign was originally intended to weaken Persian influence.
Final Fate of Teos
Nectanebo II, now firmly in power, dispatched the noble Wennefer to capture Teos. Wennefer negotiated with Artaxerxes II to have Teos extradited. Teos was ultimately brought back to Egypt in chains, marking a tragic end to his ambitions.
Ancient Egyptian pharaoh Teos’s reign is remembered as a period of bold ambition and internal strife. His failure to maintain domestic stability and unity within his coalition led to his downfall. While his military campaign highlighted Egypt’s resilience against Persian domination, his methods of governance alienated key allies, ultimately ensuring his defeat.
Legacy and Historical Significance
Teos’s brief reign was pivotal in shaping the events of Egypt’s final years of independence. His downfall paved the way for Nectanebo II, the last native Egyptian pharaoh, to assume power. Nectanebo II’s reign marked the end of Egypt’s autonomy until the Ptolemaic era.

Teos’s nephew and successor, Nectanebo II, would go on to become the last native Egyptian pharaoh, marking the end of Egypt’s independence until the Ptolemaic era. Image: Head of Nectanebo II, Museum of Fine Arts of Lyon
Teos’s story illustrates the challenges of balancing domestic governance with external ambitions. His reliance on foreign mercenaries and disregard for traditional institutions alienated key stakeholders, a cautionary tale for rulers navigating complex political landscapes.