Definition from Wiktionary, the free dictionary
Alternative forms 
ancestry (plural ancestries)
- Condition as to ancestors; ancestral lineage; hence, birth or honorable descent.
- Title and ancestry render a good man more illustrious, but an ill one more contemptible. -Addison.
- A series of ancestors or progenitors; lineage, or those who compose the line of natural descent.
Related terms 
condition as to ancestors