Log in or register to post comments ooooooooooooooooooooooo G001882 Dubendorf Some of the Descendants of John Michael Dubendorf, 1695-1778: More Especially Those Directly Descended Through His Grandson David Differderffer, 1752- Diffenderffer, Frank Ried and William Henry Owen Lockridge, Iowa 1940 Share Tweet Your feedback will be helpful and appreciated.