Here's the Hat (Among Other Things) Which Dr. Weiss Mocked Me Over, and Hair Thinning in the Family

L to R: Great-Great-Grandma Anna Monkaova Trudniak, Great-Great-Granddad Trudniak with the Trudniak (Trudnak) boys, Great-Grandma in the middle of the picture, Great-Great-Grandma with a much-younger Great-Grandma.

Who do you believe that the hair thinning came from?