"the Chisholm's of that ilk" sadly im not too sure what he meant with that information,
Yeah this one is interesting, as I have Blackadders with the same "of that ilk" thing in their names...

so

google =

Phrase of that ilk

(Scots) Having a name that is the same as the place where one lives.
Johnstone of that ilk = Johnstone from Johnstone
Of that kind; of the same kind of person or thing as the one just mentioned.

http://en.wiktionary.org/wiki/of_that_ilk

Clear as mud?

chur

Phil C