Robert IV de Sable

✓ Robert IV, seigneur de Sable, crusader with Richard I and Grand Master of the Knights Templar (1191-1193); m. Clemence de Mayenne; father of Marguerite (wife of William des Roches) and Philippa (wife of Geoffroy Martel). His parents Robert III de Sable x Hersende wired 22 Oct 2026 (Sable line back to Robert le Bourguignon, ~ son of Renaud I of Nevers). Sources: Medieval Lands, 'Angouleme' (Matha/Sable); Wikipedia 'William des Roches'. [DIRECT ANCESTOR OF THE COMPILER: flag added 22 Oct 2026 by walking the tree from Aynsley, so that this marker is reliable and can be searched.]