Henry Percy, 1st Earl of Northumberland

Definition and stakes

James Gairdner and John Horace Round 1911 Encyclopædia Britannica, Volume 21… (1911)

The 1st earl of Northumberland, father of the famous Hotspur, Sir Henry Percy (q. v.) , was killed at Bramham Moor in 1408, while in arms against the king, and his title and estates were forfeited. But, by an act no less gracious than politic, Henry V. restored them in 1414 to this earl's grandson, Henry (1394-1455) , then a prisoner with the Scots, whose l1berat1on he had no difficulty in procuring from the duke of Albany during the time of James I.'s captivity.
Source: Wikisource

William Hunt Dictionary of National Biography… (1895)

The Percys rose in revolt. Henry Percy had special grievances against the king, in which his father had some share. Northumberland was thwarted by the king's inability to supply him with the money that he needed for the war with the Scots, he had been treated somewhat shabbily with respect to the Scottish prisoners, he had good reason to suspect the king of endeavouring to represent him and his family as the cause of the poverty of the realm, and he was probably also jealous of the Earl of Westmorland, the earl's nephew by his first wife and the head of the rival house of the Nevilles of Raby.
Source: Wikisource

James Gairdner and John Horace Round 1911 Encyclopædia Britannica, Volume 21… (1911)

The representation of the earlier Percys had passed away through the daughters of Earl Thomas, beheaded in 1572, but his earldom of Northumberland (created anew for him in 1557) had passed to his brother Henry, under a special remainder, and appears to have become extinct in 1670, though persistently claimed by James Percy, “the trunk-maker.” The last earl's daughter Elizabeth, a great heiress, was mother by Charles Seymour, 6th duke of Somerset, of Algernon, 7th duke, who was summoned (in error) as Lord Percy in 1722 and created earl of Northumberland in 1749.
Source: Wikisource

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