Duke Conan ("the Crooked") de Bretagne I
Conan, known as "the Crooked", was born in Bretagne, Rennes, France.  He died on June 29th, 0992 in Brittany, France.

 Ermengarde de Anjou
Ermengarde was born about 0952 in Anjou, France.

 Duke Geoffroey de Bretagne I of Rennes
Geoffroey was born in 0972 in Bretagne, Rennes, France.  He died at the age of 36 in 1008 in Rome, Italy.

 Princess Judith of Brittany
Judith was born about 0982 in Bretagne, France.  She died on June 16th, 1017 in Normandie, France.

 Judicaël de Rennes