BARON--'The Right Hon. Lord ----,' or 'The Lord ----.' Begin: 'My Lord.'
Refer to as 'Your Lordship.'
BARON'S DAUGHTER--If unmarried, 'The Hon.' [Christian name and surname]; if
married, 'The Hon. Mrs' [husband's surname]. Begin: 'Madam.' If married to
a Baronet or Knight, 'The Hon. Lady' [husband's surname]. Begin: 'My Lady.'
If the wife of a peer, or of the son of a Duke or Marquess, address as
such.
BARON'S SON--'The Hon.' [Christian name and surname]. Begin: 'Sir.' But the
eldest sons of Barons in the Peerage of Scotland are usually addressed as
'The Hon. the Master of' [peerage title].
BARON'S SON'S WIFE--'The Hon. Mrs' [husband's surname], or, if necessary
for distinction, the husband's Christian name should also be used. Begin:
'Madam.' If the daughter of an Earl, Marquess, or Duke, address as such.
BARONESS, EITHER IN HER OWN RIGHT OR HER HUSBAND'S--'The Right Hon. the
Baroness ----,' 'The Right Hon. Lady ----,' or 'The Lady ----.' Begin: 'My
Lady.' Refer to as 'Your Ladyship.'