Talha ibn Tahir was the Tahirid governor of Khurasan from 822 until his death.
In 822, Tahir ibn Husayn, who had taken control of Khurasan the previous year, died. Wikipedia
Born: Neyshabur, Iran
Died: 828 AD, Sistan
Previous office: Governor of Khurasan (822 AD–828 AD)
Parents: Tahir ibn Husayn