books.google.co.in - The global Muslim population includes a large number of lineal descendants and relatives of the Prophet Muhammad. These kinsfolk, most often known as "sayyid" or "sharif," form a distinct social category in many Muslim societies, and their status can afford them special treatment in legal matters and...http://books.google.co.in/books/about/Sayyids_and_Sharifs_in_Muslim_Society.html?id=5VnmEMh0MF4C&utm_source=gb-gplus-shareSayyids and Sharifs in Muslim Society