She thought she was Irish — until a DNA test opened a 100-year-old mystery

How Alice Collins Plebuch’s foray into “recreational genomics” upended a family tree.
Read more: https://www.washingtonpost.com/graphics/2017/lifestyle/she-thought-she-was-irish-until-a-dna-test-opened-a-100-year-old-mystery/?source=Snapzu