Hugues XI de Lusignan le Brun

✓ Hugues XI, called le Brun, Count of La Marche and Angouleme, Sire de Lusignan in Poitou; m. Yolande, da. of Pierre Mauclerc, Duke or Count of Brittany; father of Hugues XII and of Mary (m. 1249 as a child Robert de Ferrers, Earl of Derby). Son of Hugh X de Lusignan by Isabella of Angouleme, widow of King John - which is why CP calls Mary 'the King's niece' (Henry III's half-brother's daughter). RING into Hugh X and Isabella. Also CP IV (1916) 'Derby' p.201, where Hugues XI's daughter Mary is 'the King's niece ... da. of Hugues XI, called le Brun, Count of La Marche and Angouleme, Sire de Lusignan in Poitou, by Yolande, da. of Pierre, called Mauclerc, Duke or Count of Brittany'. Source: Complete Peerage 2nd ed. vol. VIII (1932), 'March' pp.433-443 and notes (page images supplied by Aynsley, read 2 Nov 2026). [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.]