Sharīf (Arabic: شريف, 'noble', 'highborn'), also spelled shareef or sherif, feminine sharīfa (شريفة), plural ashrāf (أشراف), shurafāʾ (شرفاء), or (in the Maghreb) shurfāʾ, is a title used to designate a person descended, or claiming to be descended, from the family of the Islamic prophet Muhammad (c. 570 CE – 632 CE). https://en.wikipedia.org/wiki/Sharif