You can also find out more about your personal data rights by going to the Information Commissioner's Office (ICO) website ​ ​​​​​​​​​​​External link opens in a new window ​.​
Gallwch hefyd gael rhagor o wybodaeth am eich hawliau data personol drwy fynd i wefan Swyddfa'r Comisiynydd Gwybodaeth (ICO) ​ ​​​​​​​D​olen allanol yn agor mewn ffenest newydd.​