“As Adrien perused Charles's journals, meticulously going through every page, he got to know his famous ancestor as much as he knew the other members of his family.”
“This ancestor of the modern smartphone was capable of making phone calls, faxing, text messaging, and e-mailing.”
“On the basis of parsimony alone the single ancestor theory seems highly likely.”
ancestry
Condition as to ancestors; ancestral lineage; hence, birth or honorable descent.
A series of ancestors or progenitors; lineage, or those who compose the line of natural descent.