219:
and her second husband Odo. Odo may have made a compact with his brother-in-law, Hoel of Nantes, to divide
Brittany between them. However, in late 1156 Conan IV was able to defeat Odo and secure his maternal
82:, and she lived in England with Alan until his death in 1146. Alan would eventually become Earl of Richmond. On his deathbed, Conan III renounced Bertha's brother
288:
477:
1150:
1144:
1204:
1184:
47:
350:
Bryan, Elizabeth J. (2016). "Matthew Parker and the Middle
English Prose Brut". In Rajsic, Jaclyn; Kooper, Erik; Hoche, Dominique (eds.).
23:
1199:
661:
1194:
1189:
794:
197:. The marriage between Bertha and Alan may have been intended to bring Brittany into the English civil war on the side of Stephen.
1209:
815:
779:
132:
1108:
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75:
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71:
43:
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95:
79:
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758:
655:
637:
549:
147:
83:
1042:
932:
569:
463:
643:
377:
Vincent, Nicholas (2007). "The Court of Henry II". In Harper-Bill, Christopher; Vincent, Nicholas (eds.).
178:
284:
1021:
848:
1114:
186:
55:
161:
Bertha died between 1158 and 1164, and with her death the ducal throne passed to her son Conan.
42:
between 1148 until her death and
Dowager Countess of Richmond. Bertha was the elder daughter of
691:
490:
109:
1102:
1072:
999:
622:
182:
143:
113:
1087:
917:
676:
190:
31:
1129:
833:
519:
122:
1173:
574:
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51:
194:
59:
554:
514:
534:
39:
559:
544:
539:
455:
529:
86:
as heir and designated Bertha as his heiress, Duchess of
Brittany.
459:
206:
Everard states Odo and Bertha had only one daughter, Adelaide.
370:
Brittany and the
Angevins: Province and Empire 1158–1203
268:
266:
305:
303:
301:
287:, edited by H. A. Doubleday, Geoffrey H. White, &
253:
251:
249:
94:
In her first marriage, by 1138, Bertha was married to
135:, in about 1148. Bertha and Odo had three children:
1137:
1128:
1095:
1086:
1029:
1020:
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877:
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793:
751:
744:
684:
675:
630:
621:
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587:
504:
497:
352:The Prose Brut and Other Late Medieval Chronicles
58:. She was the last member of the Breton house of
471:
8:
1134:
1092:
1026:
970:
922:
883:
853:
799:
748:
681:
627:
591:
501:
478:
464:
456:
394:
189:for his support against the dispossessed
333:
321:
309:
272:
233:
170:
257:
240:
7:
121:, who married Alan III, Viscount of
101:Bertha and Alan had three children:
215:War broke out between Bertha's son
142:Adelaide (died in 1220), Abbess of
131:Bertha married her second husband,
108:, b. 1138, their son and heir, as
14:
1156:François de Bourbon (1973–1984)
295:, London, 1945, vol. x, p. 788.
1205:12th-century duchesses regnant
1185:12th-century dukes of Brittany
386:Warren, Wilfred Lewis (1977).
361:France in the Making, 843-1180
127:Enoguen, abbess of St. Sulpice
1:
595:
505:
379:Henry II: New Interpretations
372:. Cambridge University Press.
966:War of the Breton Succession
399:Bertha, Duchess of Brittany
70:Bertha was the daughter of
1236:
1200:12th-century Breton people
363:. Oxford University Press.
217:Conan IV, Duke of Brittany
72:Duke Conan III of Brittany
1195:12th-century Breton women
1190:12th-century women rulers
444:
435:
427:
422:
397:
148:Henry II, King of England
74:. She married the son of
390:. Yale University Press.
133:Odo, Viscount of Porhoet
62:to reign over Brittany.
26:1125–56), also known as
368:Everard, J. A. (2004).
359:Dunbabin, Jean (1985).
354:. York Medieval Press.
38:), was the Duchess of
35:
1210:Duchesses of Brittany
289:Lord Howard de Walden
181:. He was created 1st
44:Conan III of Brittany
20:Bertha of Cornouaille
1022:Montfort of Brittany
849:House of Plantagenet
745:House of Cornouaille
403:House of Cornouaille
381:. The Boydell Press.
293:The Complete Peerage
1180:12th-century deaths
795:House of Penthièvre
438:Duchess of Brittany
179:Count of Penthièvre
177:Alan the Black was
76:Stephen of Treguier
187:Stephen of England
56:Henry I of England
28:Bertha of Brittany
1215:Dukes of Brittany
1167:
1166:
1163:
1162:
1124:
1123:
1082:
1081:
1016:
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1005:
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832:
823:
789:
788:
778:
740:
739:
729:
671:
670:
617:
616:
588:Viking occupation
583:
582:
454:
453:
445:Succeeded by
195:English civil war
54:daughter of King
16:French politician
1227:
1135:
1093:
1027:
1003:
1000:John of Montfort
994:
986:
971:
923:
899:
884:
879:House of Thouars
854:
830:
821:
800:
776:
749:
727:
682:
628:
597:
592:
507:
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428:Preceded by
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411:
395:
391:
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183:Earl of Richmond
175:
114:Earl of Richmond
110:Duke of Brittany
25:
1235:
1234:
1230:
1229:
1228:
1226:
1225:
1224:
1170:
1169:
1168:
1159:
1151:Louis de France
1145:Louis de France
1120:
1088:House of Valois
1078:
1012:
993:
956:
908:
869:
839:
785:
736:
677:House of Rennes
667:
623:House of Nantes
613:
579:
493:
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191:Empress Matilda
176:
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92:
68:
17:
12:
11:
5:
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1220:Porhoët family
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1212:
1207:
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1139:
1132:
1130:Courtesy title
1126:
1125:
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918:House of Dreux
914:
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834:Guy of Thouars
828:
819:
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806:
804:
797:
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787:
786:
784:
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768:
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520:Saint Judicael
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423:Regnal titles
420:
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365:
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345:
342:
339:
338:
336:, p. 331.
326:
314:
297:
285:Cokayne, G. E.
277:
275:, p. 149.
262:
245:
243:, p. 173.
232:
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223:
222:
208:
199:
169:
168:
166:
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150:
146:, mistress of
140:
129:
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96:Alan the Black
91:
88:
80:Alan the Black
67:
64:
15:
13:
10:
9:
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3:
2:
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985:
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976:
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943:
940:
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934:
931:
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928:
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876:
865:
862:
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835:
829:
826:
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389:
384:
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371:
366:
362:
357:
353:
348:
347:
343:
335:
330:
327:
324:, p. 32.
323:
318:
315:
312:, p. 46.
311:
306:
304:
302:
298:
294:
290:
286:
281:
278:
274:
269:
267:
263:
260:, p. 75.
259:
254:
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99:
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89:
87:
85:
81:
77:
73:
65:
63:
61:
57:
53:
49:
45:
41:
37:
36:Berthe Breizh
33:
29:
21:
1138:1547–present
1002:(1341–1345)
995:disputed by
770:
525:Alain II Hir
436:
414:
407:
402:
387:
378:
369:
360:
351:
334:Vincent 2007
329:
322:Everard 2004
317:
310:Everard 2004
292:
280:
273:Everard 2004
236:
220:inheritance.
211:
202:
173:
160:
130:
100:
93:
69:
52:illegitimate
27:
19:
18:
1153:(1707–1712)
1147:(1704–1705)
1117:(1536–1547)
1111:(1524–1536)
1109:Francis III
1105:(1514–1524)
1075:(1488–1514)
1069:(1458–1488)
1063:(1457–1458)
1057:(1450–1457)
1051:(1442–1450)
1045:(1399–1442)
1039:(1365–1399)
1009:(1345–1365)
992:(1341–1364)
983:(1341–1364)
953:(1312–1341)
947:(1305–1312)
941:(1286–1305)
935:(1221–1286)
905:(1213–1221)
896:(1203–1221)
866:(1196–1203)
836:(1199–1201)
827:(1181–1186)
825:Geoffrey II
818:(1166–1201)
812:(1156–1166)
782:(1148–1156)
773:(1148–1156)
767:(1112–1148)
761:(1072–1112)
733:(1066–1072)
724:(1066–1072)
718:(1040–1066)
712:(1008–1034)
706:(1008–1040)
258:Warren 1977
193:during the
144:Fontevrault
60:Cornouaille
1174:Categories
1067:Francis II
1061:Arthur III
700:(992–1008)
698:Geoffrey I
662:Alan (III)
575:Gourmaëlon
442:1148–1156
344:References
241:Bryan 2016
228:References
157:Succession
1096:1514–1547
1049:Francis I
1030:1365–1514
974:1341–1365
945:Arthur II
926:1221–1341
887:1203–1221
857:1196–1203
816:Constance
803:1156–1196
765:Conan III
752:1072–1156
694:(990–992)
664:(988–990)
658:(981–988)
652:(960–981)
646:(952–958)
640:(938–952)
607:Rognvaldr
555:Pascweten
431:Conan III
119:Constance
1055:Peter II
951:John III
864:Arthur I
810:Conan IV
716:Conan II
704:Alan III
685:958–1072
565:Judicael
535:Wihomarc
491:Brittany
487:Monarchs
448:Conan IV
388:Henry II
139:Geoffroy
106:Conan IV
40:Brittany
1037:John IV
1007:John IV
990:Charles
939:John II
903:Peter I
759:Alan IV
731:Hoël II
692:Conan I
656:Guerech
638:Alan II
631:938–958
598:907–938
560:Gurvand
550:Salomon
545:Erispoe
540:Nominoe
508:578–907
410:c. 1114
1103:Claude
1043:John V
933:John I
780:Odo II
771:Bertha
722:Hawise
650:Hoël I
604:Hroflr
570:Alan I
530:Morman
515:Waroch
413:
90:Family
50:, the
32:Breton
1115:Henry
831:later
710:Odo I
644:Drogo
610:Incon
415:Died:
408:Born:
165:Notes
123:Rohan
48:Maude
1073:Anne
987:with
981:Joan
900:with
894:Alix
822:with
777:with
728:with
417:1156
152:Alix
112:and
84:Hoel
66:Life
1004:and
489:of
185:by
98:.
46:by
24:fl.
1176::
596:c.
506:c.
300:^
291:,
265:^
248:^
78:,
34::
479:e
472:t
465:v
30:(
22:(
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