final heir

Regis must declare you his final heir, and you must be guided by wise council to succeed him."

She explains that she is the final heir of Cavendish Hall, her sons having apparently died on their expedition with Bruttenholm.

Although there were extant heirs of the senior branch, for example, the Anjou-Durazzo cadet line, she decided to adopt Louis as her final heir.

In the early 20th century, the kingdom fell into political struggle between the final heirs to the throne, Djembel Rinch'en and Doje Senkel.

As final heir to his family's estates and fortune, he was able to ignore this alienation and to pursue the untraveled paths along which his genius led him.