 Soon after, according to the historian Marino Sanudo, William called upon Guglielmo and Narzotto to present themselves to him.Constrained by their feudal oaths of fealty, they did so and were imprisoned by the Achaean prince.The triarchs' wives, accompanied by many knights and other kinsmen, then went to Marco Gradenigo, the newly arrived "bailo", and beseeched his aid.