Pedigree comes originally from the Anglo-Norman as "pé de grue" and later French "pied de grue" or crane's foot “ a symbol used in genealogical trees to mark a line of succession because the typical lines and split lines (each split leading to different offspring of the one parent line) resemble the thin leg and foot of a crane.”
Cranes.
Cranes feet or pé de grue.
Click on the hyperlink above to access my genealogical and family history research into the Newcombe family of Devon, with specific interest in the ancestry of my father Ray Newcombe and mother Sheila Knill.