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 John (Jr.) Burk  1786-1832
 John (Jr.) Burk  1786-1832 Jane Brisbin  1790-1866
 Jane Brisbin  1790-1866 Mathilda Turner , with
 Mathilda Turner , with
 Ada Jane Burk
 Ada Jane Burk  Marietta Burk  1845
 Marietta Burk  1845 Julia Burk  1850
 Julia Burk  1850 Isabella Burk  1853
 Isabella Burk  1853 Frederic Lester Burk , Founder, San Francisco State U. 1862-1924
 Frederic Lester Burk , Founder, San Francisco State U. 1862-1924| 
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Erastus farmed in Darlington Township and moved to Blenheim sometime before 1858. Blenheim Business Directory lists him as owning a General Store. In 1869, he either sold or turned over the store to his son-in-law Nathan Stevens and his daughter Ada Burk. Erastus moved to California and became a successful fruit grower.
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