[2] The traditional pegangan ('fief') of the nobility is Temerloh, as well as the entire land between the Triang river basin to the borders of Selangor and Rembau in Negeri Sembilan (approximately the constituencies of Bera and Bentong).
In fact, their power was limited only by the capacity of the monarch to restrain them, and it varied according to their proximity to Pekan, the further from the court, the greater their authority.
Their districts were subject to serahan; the obligation to buy, at exorbitant prices, goods the monopoly for the sale of which, in certain localities the ruler was in the habit of granting to one of his favourites.
The Pahang constitutional theory was that the Orang Besar Berempat and, to a lesser degree, the other chiefs were the foundation upon which the monarch's authority rested.
After the death of Tahir, the title was allowed to lapse, but it has again been revived, though not in the same family, in the person Che Engku Abdul Jamal, who is a grandson of Tun Ali.