Tracing a Family Tree
This page is the CodyCross answer for the clue below from London, Group 497, Puzzle 1 (Buckingham Palace).
Question is: Tracing a Family Tree
and the answer is: GENEALOGY
Word Meaning:
GENEALOGY — (countable) The descent of a person, family, or group from an ancestor or ancestors; lineage or pedigree.
Definitions from Wiktionary.