Then Miri Robertson is descended from one in the line direct.

Before the twentieth century, peerages were generally hereditary and (with a few exceptions), descended in the male line.

One of the few that can descend in the female line.

He was twice married (first in 1804), and the title descended in the direct line.

Her great-grandson (the title having descended in the direct line), the seventh Lord, died childless.

The Windbourne inheritance always descends in the female line.

The titles descended in the direct line until the death of his grandson, the third Earl, in 1624.

From Joseph (1729-1785) doctors have descended in the male line for (so far) seven generations.

The title has descended in the direct line from father to son.

The title descended in the direct line until the early death of his grandson, the third Baronet, in 1877.