Margery de Lacy

✓ Margery de Lacy, daughter and coheir of Gilbert de Lacy of Ewyas Lacy (Tintern chronicle: 'Margeria et Matilda' daughters and coheirs of 'Gilberto de Lacy'; Lanthony narrative: 'Margeria, uxor Johannis de Verdon'); first wife (by 1242) of John de Verdun; mother of Theobald I. Her mother Isabel is probably Isabel Bigod (I100083), but Medieval Lands calls the sources on her parentage conflicting - not wired; see Gilbert de Lacy. Source: Medieval Lands (fmg.ac, Cawley), 'English Lords T-Z' (Verdun); Medieval Lands (fmg.ac, Cawley), 'Ireland' (Lacy). [DIRECT ANCESTOR OF THE COMPILER: flag added 20 Oct 2026 by walking the tree from Aynsley, so that this marker is reliable and can be searched.]