Khalid ibn Yazid

Full name: 
Khalid ibn Yazid
Arabic name: 
خالد بن يزيد بن معاوية
Date of birth: 
665
Date of death: 
704

Khalid ibn Yazid was an Umayyad prince, a brother of Muawiyah II who was briefly caliph. Prince Khalid lost the chance of inheriting the title, but took an interest in the study of alchemy, in Egypt, facilitating translations into Arabic of the existing literature. It is to this Khalid that later allusions to Calid rex (King Calid) refer.