 In about 1552, William Crichton, third Lord Sanquhar was killed in the house of the Regent Arran, by Lord Sempill (chief of Clan Sempill).The sixth Lord Sanquhar died a disgrace having been accused of being involved in the murder of a fencing master who had blinded Crichton in one eye years before.James Crichton is perhaps the most celebrated member of the Clan Crichton.