 "Moved alike by policy and sympathy", as the historian William Miller states, Gradenigo assented.William, moving quickly in support of his own claims, had already seized Negroponte.Gradenigo and his Venetians attacked and took the city, but William responded by sending his nephew the baron of Karytaina, Geoffroy de Bruyères, who recaptured Negroponte and launched devastating raids in Euboea.