Why shouldn't he become a great lord with a fine castle and the chance for a rich wife?

The husband, no, is in a different position, lie has a rich wife.

Even if she be a miller's daughter, thought he, I could not find a richer wife in the whole world.

But you are also a man who married a rich wife.

And brother in his time had married a rich wife.

I don't want to be the husband of a rich wife.

That apparently hasn't paid off yet, because he needs a rich wife.

A young man, perhaps, who would like to marry a rich wife.

You are the sort of soft young man who would like a rich wife.

But he didn't try to get money by marrying a rich wife.