Family: Sir Walter (1st viscount Hereford)(9th baron ferrers) Devereux / Lady Mary Grey

Paternal line Sir Walter (1st viscount Hereford)(9th baron ferrers) Devereux
Sir John 8th Baron of Ferrers of Chartley Devereux 1461 - 1501  (40 years)	_	Lady Cecily Bourchier 1464 - 1493  (29 years)

Paternal line Lady Mary Grey
Sir Thomas (Marquess of Dorset) Grey 1455 - 1501  (46 years)	_	Cecily Bonville (maid. name 7th Baroness of Harington) 1491 - 1530  (~ 39 years)
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Sir John Gray 1432 - 1461  (~ 28 years)	_	Elizabeth Woodville 1437 - 1492  (55 years)
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Edward (6th Baron Ferrers of groby) Grey 1425 - 1457  (32 years)	_	Elizabeth Ferrers 1416 - 1482  (66 years)
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Reynold DeGrey 1362 - 1440  (78 years)	_	Joan Astley 1366 - 1448  (82 years)