_Henry de PERCY* __________________________
_Henry de PERCY* ___________________|_Eleanor FITZALAN* ________________________
_Henry de PERCY* _________________|
| | _Robert CLIFFORD* 1st Lord Clifford________
| |_Idoine de CLIFFORD* _______________|_Maud de CLARE* ___________________________
_Henry de PERCY* E of Northumberland_|
| | _Edmund "Crouchback" E of Lancaster________
| | _Henry E of Lancaster_______________|_Blanche of Artois_________________________
| |_Mary* of Lancaster_______________|
| | _Patrick de CHAWORTH Lord of Kidwelly______
| |_Maud de CHAWORTH __________________|_Isabel de BEAUCHAMP ______________________
_Henry "Hotspur" PERCY* _|
| | _Robert de NEVILLE* _______________________
| | _Randolph de NEVILLE* ______________|_Mary* of Middleham________________________
| | _Ralph de NEVILLE* _______________|
| | | | _Robert* FitzRoger ________________________
| | | |_Euphemia* de Clavering_____________|_Margerey la ZOUCHE* ______________________
| |_Margaret de NEVILLE* _______________|
| | _James de AUDLEY __________________________
| | _Hugh de AUDLEY ____________________|_Ela de LONGESPEE _________________________
| |_Alice de AUDLEY* ________________|
| | _Edmund MORTIMER __________________________
| |_Iseude de MORTIMER ________________|_UNKNOWN __________________________________
|
|--Henry PERCY* Earl of Northumberland
|
| _Roger de MORTIMER Earl of March___________
| _Edmund de MORTIMER* _______________|_Joan de GENEVILLE ________________________
| _Roger de MORTIMER* Earl of March_|
| | | _Bartholomew de BADLESMERE Lord Badlesmere_
| | |_Elizabeth BADLESMERE ______________|_Margaret de CLARE ________________________
| _Edmund de MORTIMER* Earl of March___|
| | | _William II* Lord of Montacute_____________
| | | _William de MONTAGU* E of Salisbury_|_Elizabeth* de MONTFORT ___________________
| | |_Philippa de MONTAGU* ____________|
| | | _William, Lord GRANDISON* _________________
| | |_Katherine GRANDISON* ______________|_Sibella de TREGOZ* _______________________
|_Elizabeth de MORTIMER* _|
| _Edward II* K of England___________________
| _Edward III* K of England___________|_Isabella* of France_______________________
| _Lionel* of Antwerp D of Clarence_|
| | | _William III* C of Hainault________________
| | |_Philippa* of Hainaut_______________|_Jeanne* of Valois_________________________
|_Philippa* of Clarence_______________|
| _John de BURGH* ___________________________
| _William de BURGH* E of Ulster______|_Elizabeth de CLARE* ______________________
|_Elizabeth de BURGH* _____________|
| _Henry E of Lancaster______________________
|_Maud* of Lancaster_________________|_Maud de CHAWORTH _________________________
Northumberland, Warden of the Marches of Scotland. Slain at St. Albans.