Henry Stuart, Lord Darnley's, grandfather on his mother's side was Archibald Douglas.
 As these forms of address are merely courtesy titles, the holder is not actually a member of the peerage and is not entitled to use the definite article "The" as part of the title
  This is no longer universal: the Lord of Mann, a title previously held by the Queen of the United Kingdom, and female Lords Mayor are examples of women who are styled as "Lord"

