List of rulers of Brittany
House of Rennes
Table:
Name
Portrait
Birth
Marriage(s)
Death

Conan I
(Konan Iañ)
990–992

c. 927
eldest son of Judicael Berengar, Count of Rennes and Gerberga

Ermengarde-Gerberga of Anjou
973
five children

27 June 992
Conquereuil
aged 64–65

Geoffrey I
(Jafrez Iañ )
992–1008

c. 980
eldest son of Conan I and Ermengarde-Gerberga of Anjou

Hawise of Normandy
996
four children

20 November 1008
aged 27–28

Alan III
(Alan III)
1008–1040
with Odo I (1008–1034)

c. 997
eldest son of Geoffrey I and Hawise of Normandy

Bertha of Blois
1018
two children

1 October 1040
Montgommery
aged 42–43

Odo I
(Eozen I)
1008–1034
with Alan III

c. 999
second son of Geoffrey I and Hawise of Normandy

Orguen of Cornouaille
six children

c. 1079
Cesson
aged 79–80

Conan II
(Konan II)
1040–1066
with Odo I as regent (1040–1057)

c. 1033
only son of Alan III and Bertha of Blois

never married

11 December 1066
Château-Gontier
aged 32–33

Hawise
(Hawiz)
1066–1072
with Hoël II

c. 1037
only daughter of Alan III and Bertha of Blois

1066
seven children

19 August 1072
aged 34–35

Hoël II
(Hoël II)
1066–1072
with Hawise

c. 1031
eldest son of Alain Canhiart, Count of Cornouaille and Judith of Nantes

13 April 1084
aged 52–53

Given the data table for 'List of rulers of Brittany' in the 'House of Rennes' section, write a one-sentence description of the highlighted cells and format it within the following JSON object {"answer": "YOUR ANSWER"}.