Jon Snow = The Perfect Tully?

Just something I was musing on while writing my last asoiaf fic. Jon Really does seem to live by the words, Familly, Duty, Honour.

Normally he's all about honour. Except he'll forsake, honour for duty, breaking his honourable vows if its actually part of his duty to stop the wildings and serve the watch.

And then of course there's familly which trumps everything. Any time we see Jon not go with honour Or Duty its basically because he wants to go help his family.

So ironally considering how Catelyn feels about him, Jon really does seem to live up to tally ideals....