Historical clue formulations

• Abbr. on a family tree — 2020-11-06
• Progeny: Abbr. — 2016-10-18
• Family tree listing: Abbr. — 2013-09-29
• Fam. tree member — 2011-01-15
• Family tree abbr. — 2010-04-16
• One with an ancestor: Abbr. — 2009-12-25
• Genealogical abbr. — 2007-03-01
• Family tree listing: Abbr. — 2005-11-13
• Fam. tree member — 2003-01-22
• Progeny: Abbr. — 2001-08-01
• Fam. tree member — 2000-06-30
• Genealogical abbr. — 1996-11-03
• Offspring, genealogically: Abbr. — 1994-07-18
• Family tree abbr. — 1994-07-08
• Offspring: Abbr. — 1994-04-03