Madog ap Llywelyn family House of Aberffraw
Madog ap Llywelyn (died after 1312) was the leader of the Welsh revolt of 1294–95 against English rule in Wales and proclaimed "Prince of Wales".  The revolt was surpassed in longevity only by the revolt of Owain Glyndŵr in the 15th century. Madog belonged to a junior branch of the House of Aberffraw and was a distant relation of Llywelyn ap Gruffudd, the last recognised native Prince of Wales.Revolt against King Edward I
On Michaelmas (29 September) 1294, Madog put himself at the head of a national revolt in response to the actions of new royal administrators in north and west Wales and the imposition of taxes such as that levied on one fifteenth of all movables. As a royal prince descended directly from Owain Gwynedd and distant cousin of the last Prince of Aberffraw (Dafydd ap Gruffudd, the executed brother of Llywelyn), Madog declared himself to be the lawful successor and assumed the royal titles of his predecessors including that of Prince of Wales (an example of which can be seen in the so-called Penmachno Document). The uprising had been planned for months and attacks occurred on the same day across Wales.  While Madog acted in the north the attacks in mid and south Wales were led by Cynan ap Maredudd, Maelgwn ap Rhys, and Morgan ap Maredudd of Gwynllwg in Glamorgan.  The rebel leaders hoped that by the end of September King Edward and most of his forces would be in France on a planned campaign.  However, due to bad weather Edward's army had not yet sailed and he quickly cancelled the French campaign to deal with the Welsh uprising.
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