Note 28 — WILLIAM MAXWELL, EARL OF NITHISDALE.
Reading edition
His son was restored to his father's honours. The title of Marquis of Powis became extinct; but the estates devolved on Lord Herbert of Cherbury, husband to the last Marquis's niece; and ultimately to Lady Henrietta Herbert, who married Lord Clive, created Earl of Powis.—Burke's Extinct Peerage.