Henry II grants the lordship of Buitrago to the Mendoza family Historical milestone · Buitrago del Lozoya, Sierra Norte, Madrid The king granted in 1368 the town and lands of Buitrago to the Mendoza family, future dukes of El Infantado, who kept it until the end of the seigneurial regime. The most famous of them, the Marquis of Santillana, lived inside the walled enclosure. 1368 Photo: 19Tarrestnom65 (CC BY-SA 4.0) What to see and do in Buitrago del Lozoya