Alain III Duke of Brittany

✓ Alain III, Duke of Brittany ([997]-poisoned at Montgommery 1 Oct 1040), son of Geoffrey I, Duke of Brittany, by Havise of Normandy (Guillaume de Jumieges: Havise married 'Goiffredo Britannorum comiti' by whom she had 'Alanum et Eudonem'); m. 1018 Berthe de Blois; father of Conan II and Havise. RING into Geoffrey I x Havise of Normandy (F100495): brother of Eudes of Penthievre, already an ancestor. Source: Medieval Lands (fmg.ac, Cawley), read 2 Nov 2026: 'Brittany Dukes'. [DIRECT ANCESTOR OF THE COMPILER: flag added 2 Nov 2026 by walking the tree from Aynsley, so that this marker is reliable and can be searched.]