- de.zxc.wiki wiki/Henry_Percy,_1._Baron_PercyWith the acquisition of Alnwick, the Percys became the main landowners in North East England. ... Percy, Sir Henry; Percy, Henry, 1st Baron Percy of Alnwick.
- WikiMili.com en/Henry_PercyHenry de Percy, 3rd Baron Percy of Alnwick (c. 1321–1368), eldest son of Henry Percy, 2nd baron Percy. Father of Henry Percy, 1st Earl of Northumberland.
- wikidata.org wiki/Q3012157English Wikipedia. father. Henry Percy, 9th Earl of Northumberland. ... Henry Baron Percy of Alnwick Percy (aft. 1597 - certain 1659).
- pepysdiary.com encyclopedia/13430/Henry Percy, Baron Percy of Alnwick (1604 – April 1659); died unmarried. Though it did produce a male heir, Algernon, the marriage was not successful...
- wikitree.com wiki/Percy-40Lewis, M., (n.d.) "Sir Henry de Percy, 3rd Baron Percy of Alnwick, Sheriff of Roxburghshire." our-royal-titled-noble-and-commoner-ancestors.com.
- en.wikisource.org wiki/Dictionary_of_National_…PERCY, HENRY, first Baron Percy of Alnwick (1272?–1315), was third son of Henry Percy, seventh baron by tenure.
- thehistoryjar.com tag/first-baron-percy-of-…Henry was the 9 th Baron Percy of Topcliffe. He inherited in 1293. However in 1309 he purchased Alnwick Castle from the Bishop of Durham (Anthony Bek).
- goodnames-eth.ipns.dweb.link wiki/House_of_…Yayın zamanı: 6 saat önceHenry de Percy, 1st Baron Percy of Alnwick (1273–1314), 7th feudal baron of Topcliffe and 1st baron by writ.
- myheritage.com names/baron_percyHenry Percy, 1st Earl of Northumberland was born on November 10 1341, in Alnwick Castle, to Henry De Percy, 3rd Baron Percy and Mary of Lancaster .