Mathilde de Hesdin

✓ as a name: Mathilde de Hesdin, wife of Patrick [I] de Chaources and mother of Sibyl, Lady of Salisbury (Medieval Lands, SALISBURY). Parentage not wired (presumably of the family of Ernulf de Hesdin - note-only). TOP. Source: Medieval Lands (Charles Cawley, fmg.ac), read in the browser 27 Oct 2026, 'England, Earls created 1138-1143' - SALISBURY, citing the Book of Lacock, the register of St Osmund's Salisbury and Bracton (1218). [DIRECT ANCESTOR OF THE COMPILER: flag added 27 Oct 2026 by walking the tree from Aynsley, so that this marker is reliable and can be searched.]