AD
Agnes de Dammartin
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About
Agnes de Dammartin, daughter of the Count of Dammartin and Mathilde of Clermont, married William de Fiennes - and so the Dammartins, already our ancestors by another road, enter the tree a second time.
Research notes
~✓ standard: dau. of AUBREY DE DAMMARTIN x MATHILDE OF CLERMONT (I100060/I100109, EXISTING F99878 - joined as sister of Simon I100058: RING; NB the sources number this Aubrey 'II' or 'III' - same man, identified by his Clermont wife); wife of Guillaume I. Wired 9 Oct 2026 (Tier B wave 2).