IDA d'Avesnes (-[1205]). The Chronicle of Alberic de Trois-Fontaines names (in order) "Iacobum et Idam castellanam Sancti Audemari" as children of "Nicolao de Avenes" & his wife[864]. The Chronicon Hanoniense refers to the daughter of "Nicholaus filius [Walteri…de Avethnes]" & his wife as "Willelmo…castellano Sancti Audomari maritatam"[865]. The late 13th century genealogy by Balduinus de Avennis records that "Nicolaus Plukellus…filiam…Ydam" married "castellano Sancti Audomaro Wilelmo"[866]. The primary source which confirms her first marriage has not yet been identified. “I[da] castellana sancto Audomaro” granted property “de Pittekam” to “Johanni de Ypros clerico meo”, with the consent of “Willelmi filii mei castellani et Jacobi fratris eius atque Willelmi filii mei minoris, successoris mei”, by charter dated 1194[867]. m firstly ENGUERRAND Comte de Saint Pol, son of HUGUES [III] "Candavène" Comte de Saint-Pol & his [first wife ---/second wife Marguerite de Clermont] (-1170). m secondly (before 1171) as his first wife, GUILLAUME [IV] Châtelain de Saint Omer Seigneur de Fauquemberques, son of GUILLAUME [III] Châtelain de Saint-Omer & his wife Mathilde --- (-[Acre] [1181/92]).
Bronnen:
[864] Chronica Albrici Monachi Trium Fontium 1168, MGH SS XXIII, p. 853.
[865] Gisleberti Chronicon Hanoniense, MGH SS XXI, p. 511.
[866] Balduinus de Avennis Genealogia, RHGF XIII, p. 560.
[867] Feys, E. & Nelis, A. (1880) Les cartulaires de la prévôté de Saint-Martin à Ypres (Bruges) (“Ypres Saint-Martin”), Tome II, I, 44, p. 31.
https://fmg.ac/Projects/MedLands/HAINAUT.htm#IdaAvesnesM2GuillaumeIVStOmer
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