Sources

1) Source: English Baronies: a Study of Their Origin and Descent, 1086-1327. Reference: Pages 6-9: Barony of Miles of Gloucester (Questionable reliability of evidence)
2) Source: MISCELLANEOUS COPIES of RECORDS FROM VARIOUS SOURCES "Mandate by Edw. I. to Geoffrey De Jenevile, justiciary of Ireland, (as former mandates had not been executed by James De Aldithe and Maurice FitzMaurice, late justiciaries,) to deliver the castle of Legh, with the third part of the possessions late of Maurice FitzGerald, deceased, in the barony of Offaly, to Roger De Mortimer and Matilda his wife, notwithstanding the King's grant to Thomas De Clare of the custody of said barony, as the King has learned by the record of Robert De Ufford, formerly Lieutenant in Ireland, and by the assertion of others, that FitzGerald held said barony of said Roger and Matilda, William De Cantelupe and Eva his wife, and Humphrey De Bohun and Eleanor his wife, daughters of Eva De Brewes, fifth heir of Walter and Anselm, the Marshals, by the service of 12 knights' fees, which were equally divided among the three sisters".. External Link
https://discovery.nationalarchives.gov.uk/details/r/0f6398dc-5d08-44ed-ba34-6efdc3181c10. Reference: MS 608, f. 29