Duke Geoffrey I BRETAGNE
Geoffrey I was born in 0980 in Burke p.310.  He died at the age of 28 on November 20th, 1008.

 Hawise of NORMANDY
Hawise of was born in 0980 in Burke p.310.  She died at the age of 53 on February 21st, 1033.

 Count Eudes BRETAGNE
Eudes was born in 0999.  He died at the age of 80 on January 7th, 1079.

 NOC5 Alan III BRITTANY
Alan III was born in 1000.  He died at the age of 46 on October 1st, 1046.