One member of this dynast
One member of this dynasty married Margaret, Maid of Norway, who soon died and sparked a competition for the throne of one country under its auspices; that competition was won by John Balliol. An early succession crisis in this dynasty was sparked by the death of William Adelin aboard the White Ship. The Treaty of Aberconwy ended a quick war between a member of this dynasty and Llywelyn the Last. Another member of this dynasty captured the (*) Stone of Scone and won the Battle of Falkirk before his son lost the Battle of Bannockburn to the Scots. Ending with its deposition by the House of Lancaster and founded by the father of Henry II, for 10 points, name this Angevin English dynasty.
One member of this dynasty married Margaret, Maid of Norway, who soon died and sparked a competition for the throne of one country under its auspices; that competition was won by John Balliol.
House of {Plantagenet} [prompt on {Angevin} before mention]