1. Demonstrate that all Hoffpauir/Hoffpauer males are direct descendants of Thomas Hoffpauer.
2. Determine if there are DNA markers that "define" this group.
3. Link to other surname groups with identical markers.
4. Test mtDNA of known direct descendants of Marie Charlotte Perillard to identify mtDNA of Marie Charlotte
5. Use the mtDNA results to determine "which" of the two Perillard cousins actually married Thomas.