Jean d'Enghien, comte de Castro

-https://fr.wikipedia.org/wiki/Jean_d%27Enghien_(%3F-1380)_

-http://fmg.ac/Projects/MedLands/HAINAUT.htm#JeanEnghiendied1380
4. JEAN d'Enghien (-[1380]). He succeeded his brother in 1366 as titular Duke of Athens. Matthieu records the charter dated 11 Apr 1367, which settled the disputes between Jean and his brother Engelbert following the death of their brother Sohier, Jean administering the territories of his nephew Gauthier [IV] as guardian[1422]. It was proposed in [1366/70] that he should marry Constanza de Aragón, sister of the late Federigo I Duke of Athens, to resolve the rival claims to Athens from the Aragonese family and the heirs of Gauthier de Brienne[1423]. Conte di Castro. Lord of Omophita, Knodora and Dischoria, in Cyprus. Seigneur de Gouy, de Novelle, de Machaud et de Praelle.

m BLANCHE [Sanche] des Baux, daughter of BERTRAND des Baux Duca d'Andria & his second wife Marguerite d'Aulnay.

Jean & his wife had three children: