You need an heir of your own body and you need a Mearan alliance.

The said James died without heir of his body.

I must provide the clan with the heir of my body.

Derik left no heirs of his body, and his sister's children were either babies or not yet even born.

The patent confined the remainder to the heirs of her body, not his.

"I will forswear it for myself, and for all heirs of my body that I may bear."

It dies with him in whom it is acquired, and the heirs of a man's body take no interest therein.

She can neither hold the Malachite Throne nor advise an heir of her body.

You are all aware that we have no heirs of our body, legitimate or otherwise, living.

The heir of your body and the image of your husband.