Rhydderch Hael (English: Rhydderch the Generous), Riderch I of Alt Clut, or Rhydderch of Strathclyde, (fl. 580 – c. 614) was a ruler of Alt Clut, a Brittonic...

undertook a pilgrimage to Rome. However, the new King of Strathclyde, Riderch Hael, invited Mungo to return to his kingdom. He decided to go and appointed...

Constantine was reputedly the son and successor of King Riderch Hael of Alt Clut, the Brittonic kingdom later known as Strathclyde. (The modern English...

mentions of the name are: Riderch I of Alt Clut (Rhydderch Hael) (fl. 580; died c. 614) Riderch II of Alt Clut (fl. early 9th century) Rhydderch ap Dyfnwal...

(501–508) Clinoch (508–540) Cinbelin (540–558) Tutagual / Tudwal (559–573) Riderch Hael (fl. (573–612) Constantine (?) Neithon / Nechtan / Nwython (612–621)...

became a metonym for kingdom. The king of Dumbarton in about AD 570 was Riderch Hael, who features in Welsh and Latin works. Merlin was said to have stayed...

of a grand Brythonic alliance, along with King Urien of Rheged, King Riderch Hael of Alt Clut and King Gwallawc Marchawc Trin of Elmet. They were initially...

his former existence and the events of the Battle of Arfderydd, where Riderch Hael, King of Alt Clut (Strathclyde) slaughtered the forces of Gwenddoleu...

Regnal titles Preceded by Riderch Hael King of Alt Clut fl. early-600s Succeeded by Beli...

Life of Saint Kentigern names a Constantine as the son and successor Riderch Hael, king of Alt Clut, later known as Strathclyde. South-west Britain The...

Sigeberht of East Anglia – King of East Anglia from AD 631 to 634. Riderch Hael – King of Strathclyde who established the first See of Strathclyde at...

Ruelin Also known as Ruclinus unknown Rhydderch Also known as Rodherich; as Riderch, placed c. 945–c. 965 after Bishop Morfyw in the Annals of Wales (B text)...