Marie d'Enghien, dame de Thieusis

-http://fmg.ac/Projects/MedLands/HAINAUT.htm#MarieEnghiendied1275

j) [MARIE d'Enghien (-before 1275). Dame de Thieusis. Her parentage and two marriages are shown in Europäische Stammtafeln[1196]. The primary source which confirms this information has not been identified. If the information is correct, she must have been one of her parents’ youngest children. Another possibility presumably is that she was the daughter of one of Sohier d’Enghien’s sons.

m firstly JEAN Comte de Brienne, son of GAUTHIER [IV] de Brienne Count of Jaffa & his wife Marie de Lusignan of Cyprus (-[17 Sep] or [Sep 1260/Jan 1261]).

m secondly ([before 1270]) [as his second wife,] HUGUES [IV] de Rethel, son of MANASSES [IV] Comte de Rethel & his wife Isabelle --- (-[8 Oct 1275/1277]). He succeeded his father as Comte de Rethel.]