Historical clue formulations

• Blue-blooded Brit — 2019-02-26
• British upper-cruster, for short — 2014-03-19
• Blue blood, informally — 2011-01-11
• British noble, for short — 2008-11-23
• Blue blood, informally — 2008-07-06
• Blue blood, for short — 2008-02-06
• Upper cruster — 2005-01-01
• Blue blood, informally — 2003-09-24
• Peer, informally — 2002-08-24
• British noble, briefly — 1997-07-20
• Nobleman, informally — 1996-07-13
• Prefix with "crat" — 1994-09-30