Gruffydd ap Cyngen (died ) was a prince of Powys in

Wales of the Early Middle Ages Wales in the early Middle Ages covers the time between the Roman departure from Wales c. 383 until the end of the 10th century. In that time there was a gradual consolidation of power into increasingly hierarchical kingdoms. The end of the early ...

. His father Cyngen ap Cadell was the last king of Powys from the old Cadelling dynasty descended from

Vortigern Vortigern (; owl, Guorthigirn, ; cy, Gwrtheyrn; ang, Wyrtgeorn; Old Breton: ''Gurdiern'', ''Gurthiern''; gle, Foirtchern; la, Vortigernus, , , etc.), also spelled Vortiger, Vortigan, Voertigern and Vortigen, was a 5th-century warlord in ...

. Gruffydd died before the realm was lost to the family of

Rhodri the Great Rhodri ap Merfyn ( 820 – 873/877/878), popularly known as Rhodri the Great ( cy, Rhodri Mawr), succeeded his father, Merfyn Frych, as King of Gwynedd in 844. Rhodri annexed Powys c. 856 and Seisyllwg c. 871. He is called "King of the Britons" ...

, however. He is recorded in the Welsh histories as having been treacherously slain by his brother Elisedd.

References

Welsh royalty 9th-century deaths Year of birth unknown {{wales-bio-stub