1337 Edward, Duke of Cornwall, was the first to be created a Duke.
1337 Edward, Duke of Cornwall, was the first to be created a Duke.
爱德华被封为康沃尔公爵，他是英国历史上第一位公爵。
1337 Edward, Duke of Cornwall, was the first to be created a Duke.
爱德华被封为康沃尔公爵，他是英国历史上第一位公爵。