This is not meant to be exhaustive and is a work in progress. One of my interests is the House of Percy and it started with the signet-ring at the British Museum. My table doesn’t include the Battle of Bosworth Field, but in a bit of just desserts Northumberland’s inaction had much to do with the end of Richard III (Yorkist).
The Earls (and Dukes) of Northumberland: The Percy Family Tree (CardinalConky)
Sir Thomas Percy (c. 1504 – 1537) was a martyr and died at Tyburn. Thomas Percy, 7th Earl of Northumberland, was also a martyr and was beatified by the Catholic Church.
| Battle & Location | Date | Victor | Notable Deaths |
| St Albans I | May 22, 1455 | York | Edmund Beaufort, Duke of Somerset & Henry Percy, 2nd Earl of Northumberland |
| Ludford Bridge | October 12, 1459 | Lancaster | |
| Northampton | July 10, 1460 | York | Thomas Percy, 1st Baron Egremont |
| Wakefield | December 30, 1460 | Lancaster | Richard of York & Edmund, Earl of Rutland (Father & Son) |
| Mortimer’s Cross | February 2, 1461 | York | |
| St Albans II | February 17, 1461 | Lancaster | |
| Ferrybridge | March 28, 1461 | York | |
| Towton | March 29, 1461 | York | Henry Percy, 3rd Earl of Northumberland and Lord Dacre Gilsland |
| Hedgeley Moor | April 25, 1464 | York | Ralph Percy |
| Edgecote¹ | July 24, 1469 | N/A | |
| Barnet | April 14, 1471 | York | Richard Neville, 16th Earl of Warwick (the Kingmaker) |
| Tewkesbury | May 4, 1471 | York | The Prince of Wales (Son of Henry VI) |