Katherine Patterson's DNA has been tested for genealogical purposes. It may be possible to confirm family relationships by comparing test results with Katherine or other carriers of her ancestors' mitochondrial DNA.
It is likely that these autosomal DNA test-takers will share DNA with Katherine:
Katherine (Alvis) Patterson:
23andMe, GEDmatch T478507 +
Family Tree DNA Family Finder, GEDmatch T478507, FTDNA kit #681337
Hi. Can you have a look at John Wallis please? Appears to represent the famous mathematician. If so there is a lot of conflict with ODNB, if not then he has the wrong parents and wife. Wikipedia is good, too. Looks like a bad merge to me. C