Jacob Leffel (1762-1793)

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Some sources indicate that the father of John A. Leffel was Jacob's brother
John instead (wife of Anna M Abendschonn).  Such sources include
my mother (via Pauline L.), and <a href="http://freepages.genealogy.rootsweb.com/~healey/Obenchain/obenchain.html">http://freepages.genealogy.rootsweb.com/~healey/Obenchain/obenchain.html</a>