Research Notes:

The Chronicle of Tintern Abbey, Monmouthshire names "Margeria et Matilda" as the daughters and co-heiresses of "Gilberto de Lacy" and his wife, adding that Margery married "Johanni de Verdon" (and lists three generations of their descendants). A manuscript which narrates the descents of the founders of Lanthony Abbey names “Margeria, uxor Johannis de Verdon” as daughter and heiress of “Gilbertus de Lacy”, son of “Walterus de Lacy”, and also lists their descendants. A charter dated 14 May 1244 restored to "John de Verdun and Margaret his wife, granddaughter and one of the heirs of Walter de Lascy, and to Peter de Geneve and Matilda his wife, granddaughter and another of Walter´s heirs, all the lands in Meath whereof Walter was seised at his death". ¹

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23 Nov 1280, Westminster

Enrolment of writ to Robert de Ufford, justiciary of Ireland. Theobald de Verdun, son and heir of John de Verdun, and of Margery his wife, kinswoman and co-heiress of Walter de Lacy, sometime lord of Meath (Mide), has shown the king that whereas Walter had by the charters of the king's predecessors in his county of Meath all manner of liberties pertaining to the crown and royal dignity, except only investiture (crocea), and a certain part of the liberties were taken into the late king's hands for certain causes without judgement, certain of them remaining in Walter's hands, the justiciary has taken into the king's hands without judgment the liberties remaining in the hands of Theobald and his ancestors and pertaining to his purparty of the inheritance that belonged to Walter: the king orders the justiciary to search the rolls and memoranda of the exchequer, and to cause to be enquired which liberties Walter had in the county aforesaid of the commission of the king's predecessors and what were taken into the late king's hands, and for what cause, and to certify the king thereof under his seal, and to cause to be rendered to Theobald the liberties that he has taken into the king's hands. If he see any cause why the liberties taken into the king's hands ought, after they have been restored, to come to the king's hands, he is ordered to cause a writ of chancery to be levied upon Theobald in the king's name, and to cause full and speedy justice to be exhibited to the king and to Theobald according to the law and custom of those parts...

Calendar of Close Rolls, 8 Edw. I, p. 55