up to the 12th generation
0━┳ James A. R. Gwynn 1877-1963 &1912 Maude Butcher ca 1884-1962 ┣━1── Mary E. Gwynn 1913 ┣━2━━ Henry B. Gwynn 1919 ┗━3━━ William Latham Gwynn 1921
Total: 3 descendants (5 individuals with spouses)