When Did Americans Stop Marrying Cousins? Ask the World’s Largest Family Tree

When Did Americans Stop Marrying Cousins? Ask the World’s Largest Family Tree

- March 04, 2018

Article URL: https://www.nytimes.com/2018/03/01/science/cousins-marriage-family-tree.html

Comments URL: https://news.ycombinator.com/item?id=16510595

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