Best of Genes Dictionary

A new place to record the jargon used by family historians in their research.
Genes Dictionary.
Best of the list so far:

daughtered out

When a line fails because only daughters were left to have children, and they don't continue the male line.

long ease git

A chap who takes a long ease with his laptop, researching family history, while everyone else is working. Anagram: genealogist!