+ William Wilson (b. 1785) ↑
   + Isaac Norman Shepard (1806-1891) ↑
   + William Henry (Henry; Billiard) Billyard (1830-1906) ↑
Legend:
A number prefix represents generation number.
Dotted lines indicate adoptive or step relations.
Names in parenthesis are either aliases or names commonly associated with person
Last updated 4 May 2025 by Andrew Billyard
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