Borderlands and Bloodlines: Marcher Lords, Welsh Lords, and the Making of the Medieval Frontier (c. 1066-1300)

In 1210, King John had Maud de St Valéry and her eldest son walled up in a royal castle and left to starve. Offered the chance to buy her family's peace by surrendering her son as a hostage, she had refused, sending word that she would not entrust her child to a king who had murdered his own nephew. Her husband William de Braose — once the most powerful Marcher lord in Wales — died in exile in Fra...