Llywelyn the Elder ap Maredudd ap Cynan ab Owain Gwynedd
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Llywelyn Fawr ("The Elder") or Llywelyn ap Maredudd ap Cynan ab Owain Gwynedd was a second-cousin of Gruffudd ap Llywelyn and Dafydd ap Llywelyn of the royal house of Gwynedd in the 13th Century. His father was Prince Maredudd who fought alongside his brother in an alliance with Llywelyn the Great to depose their uncle Dafydd in 1195.
Llywelyn the Elder had a younger brother also called Llywelyn who is sometimes referred to as Llywelyn Fychan or Llywelyn "The Younger". Very little is known about Llywelyn the Elder except that he had a son called Maredudd ap Llywelyn ap Maredudd ap Cynan.