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)|