make somebody one's heir

From his words, it appeared that he did not want to be made heir.

I was glad that you never made me your heir!

To some of her defects, besides, she made him heir.

She would make me heir, but not owner in her place.

They are sorry that you made me your heir.

Perhaps I'll make him heir, wouldn't that boil the rest of them?

When Caesar made him his heir, I thought he'd be dead within months.

"I doubt she'll ever make heir, not with my four bloodthirsty sisters ahead of her."

All anybody really knows is she won't take the curse off the baron until he makes her his heir.

"You'd make your heir, then go into the fire."