Rhirid Flaidd (fl.

Floruit

Floruit , abbreviated fl. , is a Latin verb meaning "flourished", denoting the period of time during which something was active...

 1160), according to Welsh

Wales

Wales is a country that is part of the United Kingdom and the island of Great Britain, bordered by England to its east and the Atlantic Ocean and Irish Sea to its west. It has a population of three million, and a total area of 20,779 km²...

 tradition, was the son of Gwrgenau, who is supported by an obscure and doubtful pedigree going back to Cunedda Wledig, the progenitor of the House of Cunedda which had provided the kings of Gwynedd

Kingdom of Gwynedd

Gwynedd was one petty kingdom of several Welsh successor states which emerged in 5th-century post-Roman Britain in the Early Middle Ages, and later evolved into a principality during the High Middle Ages. It was based on the former Brythonic tribal lands of the Ordovices, Gangani, and the...

 from the end of Roman Britain

Roman Britain

Roman Britain was the part of the island of Great Britain controlled by the Roman Empire from AD 43 until ca. AD 410.The Romans referred to the imperial province as Britannia, which eventually comprised all of the island of Great Britain south of the fluid frontier with Caledonia...

 until 825

825

Year 825 was a common year starting on Sunday of the Julian calendar.- Europe :* Egbert of Wessex defeats Beornwulf of Mercia at Ellandun. Kent, Surrey, Sussex and Essex submit to Wessex and East Anglia acknowledges Egbert as overlord.* Emperor Louis the Pious of the Franks wars against the Wends...

. The appellation of blaidd (wolf) was inherited from his maternal grandmother, Haer, daughter and heiress of Cynfyn, son of Cillyn y Blaidd Rhudd (meaning "Cillyn the Bloody Wolf") of Gest

Gest

Gest may refer to:* Gest, California, former town in Lassen County* Alain Gest , French politician* David Gest , American television producer* Morris Gest , Jewish-American theatrical producer* William H...

 in Eifionydd

Eifionydd

Eifionydd is an area in north-west Wales covering the south-eastern part of the Llŷn Peninsula from Porthmadog to just east of Pwllheli. The Afon Erch forms its western border. It now lies in Gwynedd....

. He was related through his grandmother to Bleddyn ap Cynfyn

Bleddyn ap Cynfyn

Bleddyn ap Cynfyn was a Prince of the Welsh Kingdoms of Gwynedd and of Powys.- Lineage :Bleddyn was the son of Princess Angharad ferch Maredudd with her second husband Cynfyn ap Gwerstan, a Powys Lord, about whom little is now known...

, king of Powys who rewarded Gwrgenau with land, presumably for his loyalty and service.

Rhirid, who is said to have inherited his father's lands in Mochnant and Penllyn

Penllyn

Penllyn is a former civil parish in the Welsh county of Gwynedd. The parish was created in 1894 from the part of Criccieth parish that lay outside the ancient borough. It was abolished in 1934, and divided between Llanystumdwy and Criccieth....

, Pennant Melangell and Rhiwaedog

Rhiwaedog

Rhiwaedog is the name of an ancient estate in North Wales, located in the Penllyn forest near Bala, Gwynedd. It gives its name today to two hills, Rhiwaedog-is-Afon and Rhiwaedog-uwch-Afon, meaning "Rhiwaedog above the river" and "Rhiwaedog below the river" respectively. There is also the ancient...

 as well as the maternal inheritance at Gest. He is said to have married Gwenllian, daughter of Ednyfed ap Rhiwallon of Brychdyn

Broughton, Flintshire

Broughton is a small district in Flintshire, Wales, close to the Wales–England border and located to the west of the City of Chester, England. Along with the nearby village of Bretton, the total population was 5,791 at the 2001 Census....

, by whom he had two sons, Einion and Madog. From him the following families claimed descent — Lloyds of Rhiwaedog, the Myddeltons of Gwaenynog and Chirk, the Vaughans of Glan-llyn, and the Lloyds of Glanrafon.