Eustache III “le Jeune” de Fiennes, seigneur de Fiennes

FmgMedlands

EUSTACHE [III] de Fiennes (-before 1187). The Historia Comitum Ghisnensium names "Eustacium…Engelramnum…Gillebertum …Radulphum" as the sons of "Eustacius…senex de Fielnis"[599].

m as her first husband, MARGUERITE de Guines, daughter of ARNAUD Comte de Guines & his wife Mathilde de Saint-Omer (-1222). The Historia Comitum Ghisnensium records that "Eustacium", son of "Eustacius…senex de Fielnis", married "Ghisnensis comitis Arnoldi filiam Margaretam"[600]. The Historia Comitum Ghisnensium names (in order) "Margaretam…Beatricem…Adelidem …Eufemiam et Luthgaudam…Mathildem…Ghislam…Agnetem" as the eight daughters of "Gandavense Arnoldo" & his wife, specifying that Marguerite married firstly "Eustacio de Fielnis" and secondly "Rogero Curtracensi castellano"[601]. She married secondly Roger [I] Châtelain de Courtrai Burggraaf van Gent. Philippe Count of Flanders confirmed the donation of property "in parrochia de Severne" to the church of Saint-Martin, Popinglo made by "Rogerus castellanus et uxor eius Margareta" by charter dated 6 May 1187, signed by "Rogeri, Arnoldi, Giselberti filiorum ipsius Rogeri castellani, Joannis Insularis castellani…Sigeri de Gant…"[602]. "Margareta quondam castellana Curtracensis" donated revenue to Gant Saint-Pierre by undated charter[603]. A charter dated to [1201/09] records the donation by "nobilis matrona Margareta…castellana Curtracensis" to Gant Saint-Pierre for the anniversary of "domini Eustachii primi mariti eiusdem matrone"[604].

Other data

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http://www.knight-france.com/geneal/names/1178.htm

Source <Fragmens généalogiques> Par Dumont:

"Eustache de Fiennes, chevalier, baron de Fiennes, II du nom, dit le vieil, épousa Françoise de Miraumont, dame du Bois en Ponthieu. il fonda l'abbaye de Beaulieu. De cette alliance naquirent:

1. Eustache, baron de Fiennes, dit le Hardi, chevalier, époux de Marguerite de Guines (vairé d'or et d'azur),fille d'Arnoud, dit le grand, comte de Guiesnes; & de Mahaud de Saint-Omer. Sa veuve se remaria à Roger, Châtelain de Courtray; -

http://fmg.ac/Projects/MedLands/NORTHERN%20FRANCE.htm#ArnoulIGentGu...

Comte Arnoul & his wife Mahaut de Saint-Omer had thirteen children:

6. MARGUERITE de Guines (-1222). The Historia Comitum Ghisnensium names (in order) "Margaretam…Beatricem…Adelidem …Eufemiam et Luthgaudam…Mathildem…Ghislam…Agnetem" as the eight daughters of "Gandavense Arnoldo" & his wife, specifying that Marguerite married firstly "Eustacio de Fielnis" and secondly "Rogero Curtracensi castellano"[965]. "Margareta quondam castellana Curtracensis" donated revenue to Gant Saint-Pierre by undated charter[966]. A charter dated to [1201/09] records the donation by "nobilis matrona Margareta…castellana Curtracensis" to Gant Saint-Pierre for the anniversary of "domini Eustachii primi mariti eiusdem matrone"[967]. m firstly EUSTACHE [III] de Fiennes, son of EUSTACHE [II] Seigneur de Fiennes & his wife ---. m secondly ROGER [I] Châtelain de Courtrai Burggraaf van Gent, son of --- (-1190 or after).

References

• The History of the Counts of Guines and Lords of Ardres. By Lambert of Ardres. GoogleBooks
• http://racineshistoire.free.fr/LGN/PDF/Guines.pdf