Use "dukedom" in a sentence

1. Because Richard's father-in-law's dukedom had become extinct when Anne could not inherit it, he was created Duke of Norfolk on 7th February, 1477

2. “Mind you,” he told his senior artificers as he closed the last production report folder and climbed out of his chair, “she’s been willing to cut me a little more slack since she found out about the dukedom

3. While she did not insist on a dukedom, she had had an ecstatic feeling that she might be a millionairess