Mathilde de Blois

Designated regional départments of France did not arise as a concept until the latter 1600s. When the French Revolution was underway, that's when départments rolled into political existence.

From Medlands:

http://fmg.ac/Projects/MedLands/ENGLAND,%20Kings%201066-1603.htm#Ma...

MATHILDE de Blois. [1133/34]-before 1141, bur Priory of Holy Trinity, Aldgate Without, London). Daughter of King Stephen, Orderic Vitalis records her betrothal when she was "two years old" but does not name her[303]. The Chronicon Valassense names "comes Mellenti Gualerannus" and "uxore sua regis Stephani familia"[304]. William of Newburgh records her burial, together with that of her brother Baudouin, as "children of King Stephen and Queen" and wife of "comitis de Medlint", quoting the records of Holy Trinity[305]. King Stephen donated property to Holy Trinity Priory, London, for the souls of "Mathildis filie mee et Bald[wini] filii mei", by charter dated to [1139/46][306]. Betrothed (Easter 1136303) WALERAN de Beaumont Comte de Meulan, son of ROBERT de Beaumont Comte de Meulan, Earl of Leicester & his second wife Elisabeth de Vermandois (1104-Préaux 9/10 Apr 1166 bur Préaux).

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