Sir Guy de Brienne, I - Sources Request

Disconnected as son of Guillaume de Brienne & Eustachie de Courtenay, dame de Pacy-sur-Armançon

His “father” died before this man was born, and is said to have had two children: Andre & Helvis.

References:

http://www.thepeerage.com/p3492.htm#i34915 (citing Burke’s)

“John of Brienne: King of Jerusalem, Emperor of Constantinople, c.1175–1237” By Guy Perry. Page 25 & 34

https://books.google.com/books?id=4XhaAQAAQBAJ&lpg=PA25&ots...

https://pdfs.semanticscholar.org/1ee3/4bc7c006c11e8cec6e427bf9e6c72... Page 173

http://fmg.ac/Projects/MedLands/chambrien.htm#ErardBriennedied1190B

2. GUILLAUME de Brienne (-[1194/99], bur Auxerre St-Etienne). ... m as her first husband, EUSTACHIE de Courtenay Dame de Placy-sur-Armancon, daughter of PIERRE de France Seigneur de Courtenay & his wife Elisabeth de Courtenay (-6 Apr after 1235). ...

Guillaume & his wife had two children:

a) ANDRE de Brienne (-before May 1215, bur Auxerre Saint-Etienne). “Eustachia comitissa Sacricesaris” recorded that “filius meus...bone memorie Andreas de Brena” had requested her and “fratri meo Willelmo de Tanlay” to carry out his last wishes, and founded an anniversary for him at Auxerre Saint-Etienne where he was buried, by charter dated May 1215[104].

b) ELVIS de Brienne . The primary source which confirms her parentage and marriage has not yet been identified. m JEAN Vicomte de Saint-Florentin, son of --- (-before Jul 1235).

This site quotes a more realistic ancestry:

http://www.knight-france.com/geneal/names/4935.htm

With much confusion about the string of Guy de Brien’s.