Historical clue formulations

• Camilla vis-à-vis William and Harry, informally — 2025-09-23
• Part of a blended family — 2019-04-12
• Carol Brady, to three of her kids — 2018-08-19
• Part of a blended family — 2017-05-19
• Carol Brady on "The Brady Bunch," e.g. — 2016-02-21
• Wicked relative of Cinderella ... or what each set of circled letters represents? — 2015-05-04
• Harry and Wills acquired one in 2005 — 2014-11-08
• Second wife, to the hubby's kids — 2012-04-03