English: personal data
Welsh: data personol 
Subject: TGCh
Welsh definition: Personal data is information that relates to an identified or identifiable individual. What identifies an individual could be as simple as a name or a number or could include other identifiers such as an IP address or a cookie identifier, or other factors.
Notes: Mewn perthynas â'r Rheoliad Cyffredinol ar Ddiogelu Data