The Book " Genealogy of the Darlington Family in America" by Gilbert Cope 1900has your Darlingtons but does not carry forward the Buzby line at all.Actually Benjamin was m1 to Rachel Dunwoody 1820-1867 then m Elizabeth and book says sixth month 1869. He and Eliz had one child Jane b. Oct 31, 1869 married to William Lukens. and they had one child Lois Susan Lukensb. July 11, 1895. If you need Benjamins Ancestry can give that to you.