Two years later, their mother, Cecily married Henry Stafford, 1st Earl of Wiltshire, which caused many quarrels over their inheritance.
Her maternal grandmother was Katherine Neville, Baroness Hastings who was a direct descendant of Ralph Neville, 1st Earl of Westmorland and Joan Beaufort, Countess of Westmoreland, a daughter of John of Gaunt by his third wife, Katherine de Roët, making her a direct descendant of Edward III.
Her memorial brass is located at St. Columb Major Church in Cornwall although it is not clear if she is actually buried there.
Eleanor appears on the memorial brass of Sir John Arundell, but her name is incorrectly stated as 'Elizabeth', which was her sister's name.
[8] She is depicted on the right hand of the knight, her head rests on a square cushion, the shield with the following arms:[9] Per pale, the dexter quarterly of six, — 1.