Pg 272 11 Henry De Percy, Knt, K.G., 4th Lord Percy. He was brought up in the King’s court by his uncle, the 1st Duke of Lancaster. He was summoned to Parliament on 1 Dec 1376 and was created Earl of Northumberland 16 Jul 1377. In 1405 he was involved in treasonable plots and was attainted in Parliament in 1406. Henry de Percy, 1st Earl of Northumberland, was slain 19 Feb 1407/8 when his force was defeated at Bramham Moor, near Tadcaster, co York.17384

Pg 36 Line 44, Henry de Percy (152-6), K.G., created 1377 Earl of Northumberland17385

Pg 214 Chap 2, 24. Henry de Percy, Lord Percy; created Earl of Northumberland 16 Jul 1371 (age c 36); while leading a rebellion against Henry IV he was slain at the battle of Brabham Moor 19 Feb 1408 (age 67); his head was set up on London Bridge and his quarters at London, Lincoln, Berwick & Newcastle.17386

Vol 13 Image1035of1376 Pg 101817387 Elizabeth Mortimer Marr: famous ‘Hotspur’ Henry Percy s/o the Earl of Northumberland
Vol 14 Image121of173 Pg 647 Northumberland - Percy, Henry, 1st Earl of the Percy Family, Earl of Northumberland
Vol 14 Image290of1384 Pg 273 Maud Percy, aunt of the first earl of Northumberland
Vol 22 Image1037of1511 Pg 1029 Percy, Sir Henry, first Earl of Northumberland; K.G. 1366; took part in the French war, and acted as warden of the Scottish marches; ... created earl, 1377, thus becoming earl-marshal ... conspired with Owen Glendower and Sir Edmund de Mortimer and was declared a traitor 1405; fled to Scotland, his revolt being crushed; again invaded England 1408 and was defeated and slain, 20 Feb on Bramham Moor (xliv. 399)

Vol 22 Image1036of1511 Pg 1028 Sir Henry Percy, first earl of Northumberland

Vol 2 Image 133 Henry (Percy), Earl of Northumberland17388