List of courtesy titles in the peerages of Britain and Ireland

Columns: Peer | Son | Grandson
The Marquess of Winchester | Earl of Wiltshire * | Lord St John* | The Marquess of Huntly | Earl of Aboyne * | Lord Strathavon* | The Marquess of Queensberry | Viscount Drumlanrig* | The Marquess of Tweeddale | Earl of Gifford | Viscount Walden | The Marquess of Lothian | Earl of Ancram | Lord Newbattle | The Marquess of Lansdowne | Earl of Kerry */ Shelburne | Viscount Clanmaurice | The Marquess Townshend | Viscount Raynham*

Example questions:
Who was the Courtesy title of the father of the Earl of Aboyne originally created for ? | Who is the current holder of the Courtesy title that belongs to the grandfather of the man whose title was created in 1728 ? | When was the Courtesy title of the grandfather of Lord St John created ? | Which country 's peerage is the Courtesy title of the son of the Marquess of Bute a part of ?

Answers:
George Gordon | Spencer Compton | 1551 | Scotland