Family de Rohan
The earliest proven ancestor was one Guethenoc, Vcte de Chateautro-en-Porhoët, living ca 1008/21; m.Alarun de Cornouaille; They was father of

Josselin I de Porhoët, Vcte de Bretagne et de Rennes (+1074), who was father of

• A1. Vcte Eudon=Eon I de Porhoët et de Rennes, living 1066/92; 1m: Emme de Leon (+ca 1092); 2m: NN; he had issue, by his 1m.
  • B1. Vcte Geoffroy de Porhoët, +1142; m.Havise N
    • C1. Cte Eudon=Eon II de Porhoët, Duc de Bretagne (1148-56), +after 1168; m.1147 Berthe de Cornouailles (+1158/64), heiress of Bretagne (which was inherited by her son by her 1m.)
      • D1. Cte Eudon III de Porhoët, +1234; m.NN
        • E1. Matilda, Vcts de Porhoët; m.Geoffroi I, Cte de Fougeres (+1222)
        • E2. Alienor, Dame de La Cheze, de La Trinite et de Loudeac; 1m: Vcte Alain V de Rohan (+1242); 2m: after 1242 Pierre I de Chermille, sn de Brochesac (+after 1248)
        • E3. Jeanne; m.Olivier de Montaubon
        • E4. Aelis, +ca 1235; m.1201 Gui VI Mauvoisin, sn de Rosny (+ca 1211)
      • D2. Adelice, abbess at Fomtevrault (1228-44)
    • C2. Joscius, +after 1153
    • C3. Alain I de la Zouche, or de La Ceoche, in England 1172, +1190; m.Alix de Beaumez
      • D1. Roger I de la Zouche, living 1199/1236; m.Margaret N (+shortly before 14.5.1238)
        • E1. Alain II de la Zouche, Justiciar of Ireland, +k.a.1270; m.before 1242 Helen de Quincey (+shortly before 20.8.1296)
          • F1. Roger II la Zouche, of Ashby, *ca 1240/42, +shortly before 15.10.1285; m.before 1267 Ela Longespee (+ca 1276)
            • G1. Alan III la Zouche, *1267, +25.3.1314; he was summoned to Parliament in 1299, whereby he is held to have become Lord Zouche; m.Eleanor Segrave (+1314)
              • H1. Ellen, *1288; 1m: Nicholas, Baron de Saint-Maur; 2m: Alan I de Charlton (+2.12.1360)
              • H2. Maud, *1290, +31.5.1342; m.Robert de Holand, 1st Baron Holand (+7.10.1328)
              • H3. Elizabeth, *1294, a nun at Brewood 1314
          • F2. William la Zouche, +ca 1287
            • G1. Emery la Zouche, *21.11.1267
          • F3. Alan la Zouche, living 1279
          • F4. Oliver la Zouche; he left issue of whom I have no details
          • F5. Henry la Zouche, a priest
          • F6. Margaret la Zouche; m.Robert de Claverick (+1310)
          • F7. Helene la Zouche
          • F8. Maud la Zouche
        • E2. William la Zouche, +shortly before 3.2.1272; m.Maud de Mortimer
          • F1. Joyce, +1290; m.Robert de Mortimer (+7.4.1287)
        • E3. Eon la Zouche, +1279; m.before 13.12.1273 Millicent de Cantelupe (+shortly before 7.1.1299)
          • F1. William la Zouche, *1276, +1352; he was summoned to Parliament as Lord Zouche of Haryngworth 1308; m.before 15.2.1296 Maud Lovel
            • G1. Eon la Zouche, *1297/98, +1326; m.before Jun 1322 Joan Inge
              • H1. William, 2d Lord Zouche of Haryngworth, *1321, +1382; m.before 16.7.1334 Elizabeth de Ros (+ca 1380); for his issue see HERE
              • H2. Isabel, +1349; m.John, Lord Lovel (+1347)
            • G2. Millicent, +1379; m.before 26.3.1326 William, Lord Deincourt (+1364)
            • G3. William la Zouche, Archbishop of York, Primate of England, +1352
            • G4. John, living 1326
            • G5. Roger, living 1326
            • G6. Thomas, living 1326
            • G7. Isabel, living 1326
            • G8. Thomasine, living 1326
          • F2. Eve, +1314; m.ca 1289 Maurice Berkeley [later, Lord Berkeley]
          • F3. Eleanor; m.1306 Sir John Harcourt (*1276 +1330) [Note: E.S. says she was g-dau., not dau., of Eon la Zouche]
          • F4. Emery la Zouche
          • F5. Philippe la Zouche
          • F6. Thomas la Zouche
        • E4. Lore; m.Gilbert de Stanford
        • E5. Alice; m.1250 Sir William Harcourt (+1270)
      • D2. William, +1199; m.Bonendee (+after 1199)
    • C4. Etienne, living 1164
    • C5. Amicie; m.Guillaume de Montfort
  • B2. Josselin II, Vcte de Porhoët 1105/24, +ca 1126
  • B3. Alain I "le Noir" de Rohan, Vcte de Castelnoec, *ca 1085, +1128; m.Villana N
    • C1. Vcte Alain II de Rohan et de Castelnoec, sn de Guéméné et de Guincamp, +after 1168
      • D1. Vcte Alain III de Rohan, +ca 1195; m.Constance de Bretagne (+after 23.6.1184)
        • E1. Vcte Alain IV de Rohan, sn de Guéméné, +1205; m.Mabile de Fougeres
          • F1. Vcte Geoffroi I de Rohan, +1221; 1m: Marguerite de Blundeville; 2m: after 4.5.1220 Gervaise de Vitre, Vcts de Dinan (+after VI.1248)
          • F2. Conan, +ca 1221
          • F3. Vcte Olivier I de Rohan, +1228
          • F4. Vcte Alain V de Rohan, +1242; m.Alienor de Porhoët
            • G1. Vcte Alain VI de Rohan, +1304; 1m: Isabeau de Correc (+1266); 2m: Thomasse de La Roche-Bernard (+after 1304)
              • H1. Alain, +1299; m.Agnes d'Avaugour
              • H2. Geoffroi, a canon, +1303; m.Catherine de Clisson
              • H3. Josselin, +1306
              • H4. Vcte Olivier II de Rohan, +1326; 1m: 1307 Alix de Rochefort; 2m: Jeanne de Leon
                • I1. Vcte Alain VII de Rohan, +k.a.1352; m.1322 Jeanne de Rostrenen (+after 29.5.1371)
                  • J1. Vcte Jean I de Rohan, +after 24.2.1395; 1m: 1349 Jeanne de Leon (+1372); 2m: 1373 Infanta Juana of Navarre (*ca 1339, +1409); for his issue see HERE
                  • J2. Pierre
                  • J3. Marguerite, fl 14.12.1406; 1m: 1356 Jean IV, Sire de Beaumanoir; 2m: Olivier IV, Sire de Clisson (+1407)
                • I2. Olivier, +k.a.1347
                • I3. Geoffroi, Bp of Vannes and Saint-Brieuc, +1374/75
                • I4. Thibaut
                • I5. Josselin, Bp of St.Malo, +1388
              • H5. Guiart
              • H6. Eon, sn du Gue-de-l'Isle, +after 1346; m.Aliette de Coetlogon; for his issue see HERE
              • H7. Jacques; m.ca 1316 Perrone N
              • H8. Jeanne; m.ca 1308 Pierre de Kergolay (+after 13.5.1313)
              • H9. Beatrix; m.Jean de Beaumanoir, sn de Merdrignal
              • H10. Jeanne; m.Herve de Leon
            • G2. Geoffroi, sn de Noial, etc
            • G3. Vilaine; m.Richard, sn de La Roche-Sagu
            • G4. Philippe
            • G5. Phelippe; m.Henri d'Avaugour, sn de Goello
            • G6. Mabile; m.1251 Robert, Sire de Beaumez
            • G7. Tiphaine; m.Geoffroi II, sn de Lanvaux
          • F5. Heloise
          • F6. Catherine; 1m: Geoffroi, sn de Hennebon; 2m: Raoul Niel, sn de La Muce
        • E2. Guillaume, fl 1184/1203
        • E3. Josselin, sn de Montfort et de Noial, Vcte de Rohan, +1251; m.Mahaut de Montfort
        • E4. Marguerite
        • E5. Alix
        • E6. Constance; m.Eudon de Pontefelau
    • C2. Josselin, fl 1127
• A2. Mainguy, Bp of Vannes, +1081
• A3. a son
• A4. a daughter, a nun de Saint-Georges de Rennes

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Rulers of Brittany (Bretagne)

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Last updated 30th January 2004