I don't think it's clear how observant, or how direct the connection. It could be grandparents, etc.
Well, when I think about it He is going to counterfeit all He can of who Christ was and is...so since Jesus came from the Jewish lineage it makes sense he might claim a Jewish lineage as well.
I don’t spend allot of time looking at who or what he will be about... but enough to share with others when the topic might come up...it is quite interesting to read information and possibilities though.