Originally Posted by chaley
Adding to the honorific list, you should include "de la", "von", "del", and "della", To be picky, they should be in lower case. In French, the de in "De XXX" is not an indication of nobility, while in "de XXX" it is. I think the same thing is true for von in German and van in Dutch.
So, than the question is, how is this function implemented. And, maybe more important. Does this mean that "Peter Pan de XXX" should be ignored as duplicate of "Peter Pan"? Or, should you just check "Peter Pan" against "Peter Pan XXX"