Question: Ubaydallah ibn Abdallah ibn Tahir was the last major Tahirid to hold high office in what dynasty?
Sentence (from "Muttalib ibn Abdallah ibn Malik"): Muttalib ibn Abdallah ibn Malik al-Khuza'i was a son of the Abbasid general and administrator Abdallah ibn Malik al-Khuza'i.
Relevant evidence: No