198: "Saiyids relate their genealogy back to the prophet Muḥammad. Qadis (in the class sense) have nothing to do with "judges"; they are the descendants of the pre-Islamic ruling class. (In the Ḥaḍramaut, the two groups are called Saiyids and Sheikhs, mashāyikh." ↑ Cammann, Schuyler V. R. (1977).