family tree
noun
a genealogical chart showing the ancestry, descent, and relationship of all members of a family or other genealogical group.
family trees
-
pluralof family tree.plural
The grammatical form denoting more than one person, place, thing, or idea.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Because immune cells divide continuously, the scientists needed to trace their cellular family trees.
From Science Daily ● Aug. 14, 2026
Even if that hurdle is met, more than 60 years of exile means the original property owners are largely gone, leaving behind multigenerational family trees sometimes across the globe.
From The Wall Street Journal ● Jul. 22, 2026
Hackers gained access to family trees, birth years and geographic locations, by using customers' old passwords, but the company maintains the data stolen did not include DNA records.
From BBC ● May 19, 2025
Not everyone, not every group, but enough that our family trees became forever entwined.
From Slate ● May 14, 2025
In both, royal family trees formed an intricate network across national boundaries, but in Mixteca the queen's lands stayed in her line—the king's heir wasn’t necessarily the queen’s heir.
From "1491" by Charles C. Mann
