Family: Humphrey (4th Earl of Essex) De Bohun / Elizabeth Plantagenet (maid. name Of Rhuddlan)

Maternal line Humphrey (4th Earl of Essex) De Bohun
Maud De Fiennes	_	Humphrey V (3rd Earl Hereford) De Bohun 1249 - 1298  (49 years)

Maternal line Elizabeth Plantagenet (maid. name Of Rhuddlan)
Eleanor of Castile 1241 - 1290  (49 years)	_	Edward I (KING OF ENGLAND) Plantagenet 1239 - 1307  (68 years)
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Joan (Countess of Ponthieu)	_	Ferdinand III of Castile 1200 - 1252  (52 years)