Rivallon le Vicaire of Rennes

✓ Rivallon 'le Vicaire' (d. [1034] or after), 'provinciae Redonensis miles', vicarius of the Counts of Rennes; founded the priory of Marcille with his wife Junargonda under the authority of Count Alain (charter [1015/32], signed by his sons Driscamnus and Gaufredus); witnessed the foundation of Saint-Georges de Rennes [1028/30]; 'grand-pere de Robert I de Vitre' (charter [1045/90]). Founder of the house of Vitre. TOP - DELIBERATE STOP: Le Baud makes him son of a 'Martin de Rennes' connected with the ducal house, with no source - 'should presumably be treated with caution'. Source: Medieval Lands (fmg.ac, Cawley), read 5 Nov 2026: 'Brittany nobility' (brittnpr.htm, ch. Vitre). [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.]