John ab Howel Vychan of Llwydiarth
Thomas ap Howel ap Reys of Qubrieth
Owain Vaughan of Llwydiarth
Elizabeth verch Thomas ap Howel
Rowland Vaughan of Caer Gai


Family Links

1. Sibyl verch Cadwaladr ap Robert

Rowland Vaughan of Caer Gai 1 2

  • Marriage (1): Sibyl verch Cadwaladr ap Robert

  Research Notes:

Grandfather of Captain Rowland Vaughan. First of the family to live at Caer-gai.

From Wikipedia - Llanuwchllyn (
Llanuwchllyn is a village in Gwynedd , north Wales , near the southern end of Bala Lake (Llyn Tegid). Its population in the United Kingdom Census 2001 was 834[1], of which approximately 81% were Welsh-speaking.[2]

Llanuwchllyn railway station is the headquarters of the narrow gauge Bala Lake Railway , centred on the former Great Western Railway station on the standard-gauge line from Ruabon to Barmouth . The town was the birthplace of Welsh language author and educationalist Owen Morgan Edwards . Caer-gai, a Roman fort near Llanuwchllyn, was traditionally known as the home of Cei , the character in the Arthurian legend known in English as Sir Kay.[3] Poets of the 15th century recorded a story, ultimately deriving from the Prose Merlin included in the Lancelot-Grail and the Post-Vulgate Cycle , that King Arthur and Cei were raised at Caer-gai as foster brothers.

Rowland married Sibyl verch Cadwaladr ap Robert, daughter of Cadwaladr ap Robert ap Rhys and Unknown.


1 Honourable Society of Cymmrodorion, Dictionary of Welsh Biography (National Library of Wales. 2007. Welsh Biography Online. <> ),

2 Lloyd, Jacob Youde William, The History of the Princes, the Lords Marcher, and the Ancient Nobility of Powys Fadog (Vol. 6. London: Whiting & Co., 1887.), p. 115.

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