27th Generation

Family of Countess Margaret II of Flanders & Hainault (3034) & Guillaume II de Dampierre (3331)

3503. Count WIlliam III of Flanders. Born ca 1224. WIlliam III died on 5 May 1251.

William III, count of Flanders (1247-1251), Lord of Courtrai.

In Nov 1247 WIlliam III married Beatrix of Brabant (3493) , daughter of Duke Henry II of Brabant (3027) (ca 1207-1 Feb 1247/8) & Marie von Hohenstauffen of Swabia (3041) (ca 1201-ca 1235/1240), in Louvain. Born ca 1225. Beatrix died on 11 Nov 1288.

3504. Guy de Dampierre Margrave of Namur. Born ca 1225/6. Guy died on 7 Mar 1305.

Guy, Margrave of Namur (1263-1305), and Count of Flanders (1278-1305). He was imprisoned at Compiegne.

ca 1246 Guy first married Matilda de Béthune, daughter of Robert VII de Béthune (ca 1200-12 Nov 1248) & Elizabeth de Morialmez. Born ca 1220. Matilda died on 8 Nov 1263.

Matilda, heiress of Béthune, Dendermonde, Richebourg, and Warneton.

Their children include:

3919	i.	Margaret of Flanders (ca 1251-3 Jul 1285)
3920	ii.	Count Robert III of Flanders (ca 1249-17 Sep 1322)
3921	iii.	Beatrix of Flanders (-1296)

In 1264 Guy second married Isabella of Luxembourg (3461) , daughter of Count Henry V of Luxembourg (2982) (ca 1217-23 Nov 1281) & Margaret de Bar (3356) (ca 1220-23 Nov 1275). Born ca 1247. Isabella died in Sep 1298.

Isabella, heiress of Namur.

Their children include:

3887

Jean I de Dampierre Margrave of Namur (1267-31 Jan 1330)

3505. Jeanne de Dampierre.

In 1239 Jeanne first married Comte Hugues III de Rethel, son of Comte Hugues II de Rethel (-1227/8) & Dame de Beaufort Felicite de Broyes (bef 1181-ca 1244). Hugues III died 1242/3.

In 1243 Jeanne second married Comte Theobald II de Bar (3355) , son of Comte Henri II de Bar (3054) (ca 1180/1190-13 Nov 1239) & Philippe de Dreux (2867) (ca 1192-17 Mar 1242). Theobald II died in 1291.

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