Historical clue formulations

• House of ___ (old Italian banking family) — 2025-07-15
• Onetime wealthiest family in Europe — 2025-07-06
• Italian dynasty that produced four popes — 2024-12-12
• Dynasty name in Italian history — 2023-08-13
• Ruling family of old Florence — 2017-05-17
• Family name of Pope Leo X, Leo XI and Clement VII — 2016-04-24
• Florentine dynasty name — 2014-04-06
• Longtime Florentine ruling family — 2014-02-12
• Borgia enemy — 2012-09-30
• Renowned family of Italian history — 2011-01-05
• Classic family name in Florence — 2009-08-04
• Noble Italian family name — 2004-04-13
• Florentine family name — 1998-05-03
• Italian dynasty name — 1996-08-07