'Brienne1'Index links to: Lead / Letter
Families covered: Counts of Brienne, Seigneurs of Ramerupt

                               
GenEU reports that "The earliest proven ancestor is one Engelbert III de Brienne, ca 1004/18" but also shows (in file 'Flanders 1') an Engelbert I de Brienne (who d after 1068) as a son of Eudes of Cambrai, younger son of Arnulf II, Count of Flanders. Various web sites suggest that there was an intervening Engelbert II between that Engelbert I and Engelbert III. However, the dates make this look very unlikely and instead suggest that 'Engelbert III' was in fact the first Engelbert of Brienne in this family and that any earlier Engelberts of Brienne were of a different family, perhaps linked by marriage. It is possible, of course, that both are wrong and that the Brienne family were not descended from the early Counts of Flanders at all. We assume that the connection is valid but, to avoid losing the data provided by some web sites, show that data separately from the connected genealogy as follows ...
Eudes, Count of Cambrai
m. Odele of Bois Ferrand (dau of Thibaud, Sn de Bois-Ferrand)
1. Engelbert I, Count of Brienne (b c880, d before 968)
  A. Engelbert II, Count of Brienne (d c980)
  i. Engelbert III, Count of Brienne (d before 1039)
  m. Windesmode of Salins (dau of Gui II de Tonnerre)
  b. Engelgrdue (b c900)
  m. Milo III, Count de Tonnerre (b c890, d c987)
2. Roger, Count of St. Pol

 

 

We now show the connection as reported by GenEU ...
Eudes, Count of Cambrai
m. Odele de Bois Ferrand
1. Roger I, Count de St. Pol (d 13.06.1067) GHJSWY
  m. Hadwige / Hedwig of Houchin GHJSWY
2. Engelbert I de Brienne (a 1068)
  who we are assuming to have been the same person as ...
Engelbert III de Brienne (a 1004/8)
  m1. Windemondis
  A. Engelbert IV de Brienne
  m. Petronilla
  i. Gautier I, Count de Brienne (d c1090)
  m. Eustachie, Countess of Bar-sur-Seine (dau of Milon, Count of Tonnerre and Bar-sur-Seine)
  a. Engelbert de Brienne, a monk
  b. Evrard I, Count de Brienne, Sn de Ramerupt (a 1113)
  m. Alix de Montdidier (dau of Andre de Montdidier, Sn de Ramerupt)
  (1) Gautier II, Count de Brienne, Sn de Ramerupt (d c1161)
  m1. Adele de Beaumont (dau of Andre de Beaumont)
  m2. _ de Soissons (probaby dau of Jean, Count of Soissons)
  (A) Guy de Brienne (a 1143)
  (B) Eustache de Brienne possibly ancestor of Sires de Conflans
  (C) Evrard II, Count de Brienne (d Acre 08.02.1191)
m. (before 1166) Agnes de Nevers (dau of Guiillaume III de Nevers, Auxerres, et Tonnerre)
  (i) Gautier III, Count de Brienne, Prince of Tarento (d 1205)
  m. (1200) Elvira (d after 1216, dau of Count Tancredo de Lecce, King of Sicily)
  (a) Gautier IV 'le Grand', Count of Jaffa (b 1205, d 1244/7) had issue
  m. (1233) Maria de Lusignan (b 1215, d c1252, dau of Hugues I de Lusignan, King of Cyprus)
  (b) Marguerite de Brienne
  m. Balian, lord of Sayette
  (ii) Guillaume de Brienne (d c1200)
m. (before 1189) Eustache de Courtenay (d after 1235, dau of Pierre de Courtenay)
  (a) Andrew de Brienne (d c1215)
(b) Elvis de Brienne
  m. Jean, Count de St. Florentin (d c1235)
  (iii) Andrew de Brienne (a 1181)
  (iv) Jean de Brienne, King of Jerusalem, Emperor of Constantinople (d 1237)
  m1. (1210) Maria of Montferrat, Queen of Jerusalem (b 1191, d 1212)
  (a) Yolande or Isabella II, Queen of Jerusalem (b 1211, d 1228)
m. (1225) Frederick II, Duke of Swabia, King of Germany, King of 2 Sicilies, Emperor (b 26.12.1194, d 13.12.1250)
  m2. (before 05.1214) Stephanie of Armenia (d 1219, dau of Leon I, King of Armenia)
  (b) John de Brienne, Prince of Armenia (d 1220 ?)
  m3. (1224) Berenguela of Castile (b 1198/9, dau of Alfonso IX, King of Leon)
  (c) Alphonse de Brienne of Acre, Count of Eu (d 1270)
  m. (before 1250) Marie d'Eu (d 1260, dau of Raoul II, Count of Eu et Guines)
  ((1)) Jean de Brienne, Count of Eu (d 1294) had issue
  m. Beatrix de Chatillon (d 1304, dau of Guy de Chatillon, Count de St. Pol)
  ((2)) Blanche de Brienne (d c1328, Abbess)
  Various web sites suggest that Alphonse had another son, Guy de Brien, but we have seen no evidence to support this.
  (d) Louis de Brienne of Acre, Viscount de Beaumont (b c1225, d after 01.09.1297)
m. Agnes, Countess de Beaumont (d 09.05.1301, dau of Raoul VIII de Beaumont, Vicomte de Maine and Beaumont)
  ((1)) Jean de Beaumont (b 1306) had issue
  m1. (after 26.09.1265) Jeanne (d after 29.01.1290, dau of Geoffroy, Sn de la Guerche)
  m2. (c1305) Marie de Chantoce (d 28.09.1306, dau of Walter VII Verthout, Sn de Malines)
  ((2)) Louis de Beaumont, Bishop of Durham (d 25.09.1333)
  ((3)) Henry de Beaumont, 1st Lord, Earl of Buchan, Justiciar of Scotland (d c03.1340)
  m. (before 14.03.1310) Alicia Comyn, Countess of Buchan (dau of Sir Alexander Comyn)
  ((4)) Marguerite de Brienne (d 1328)
  m. Bohemund VII de Poitiers (d c1287)
  ((5)) Marie de Brienne
  m. Henri d'Avaugour, Sn de Mayenne (d 1301)
((6)) Isabelle de Brienne (d before 01.11.1334)
  m. (1279) John de Vesci of Alnwick (b 18.07.1244, dsp 1288-9)
  ((7)) Jeanne de Brienne (d 1323)
  m. (1286) Guy VIII de Laval (b 1240, d 1295)
  (e) Jean de Brienne of Acre, bouteiller de France (d 1296)
  m1. Marie de Coucy (dau of Enguerrand de Coucy)
  m2. (1251) Jeanne de Chateau-du-Loir (dau of Geoffroy, Vcte de Chateaudun)
  ((1)) Blanche de Brienne of Loupelande GHJSY
  m. (c1266) Guillaume (William) de Fiennes GHJSY
  (f) Maria de Brienne of Acre, Regent of Constantinople and Namur (b 1225, d after 05.05.1275)
  m. (1234) Baldwin de Courtenay II, Emperor of Constantinople (b 1218, d 1273)
  (v) Ida de Brienne
  m. Arnoul de Reynel, Sn de Pierrefitte et de Cirey (d c1228)
  (D) Andre de Brienne, Sn de Ramerupt (d Acre 1189) had issue
  m. (before 1167) Adelais, Dame de Venisy (d 1221/2, dau of Anseau de Venisy)
  (E)+ other issue
  m3. (1137) Humbeline de Troyes
  m4. (1146) Adelais
c. Milon de Brienne, Count of Bar-sur-Seine (d c1126)
  m. (before 1103) Matilda de Noyers (dau of Miles de Noyers)
  (1) Guy de Brienne, Count of Bar-sur-Seine
  m. Petronille Elizabeth de Chacenay (dau of Anseric de Chacenay)
  (A) Ermesinde de Brienne (d after 1211) GHJSWY
  m1. Anseau de Trainel (d 1188/9)
  m2. (1189, div c1195) Theobald I, Count of Bar (b c1158, d 13.02.1214) GHJSWY
  (B)+ other issue - Milon, Guillaume, Gui, Manasses, Thibaut
  (2) Renaud de Brienne (d 1150, Abbot of Citeaux)
  d. Mantia de Brienne
  e. daughter
  m. (div, sp) Fulk IV 'le Rechin', Count of Anjou (b 1043, d 14.04.1109)
  B. Guy de la Pione had issue
  m2. Alix de Sens (dau of Renaud, Count de Sens)
  C. daughter
  m. Etienne de Joinville

Main source(s): GenEU (Brienne1, 2)
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