I didn't say that it was definitive proof. I'm also taking into consideration many other factors - looks, complexion, the fact that Southern California has the largest Persian community outside of Iran. They could be anything. I'm just throwing these observations out there. I'll let the reader make up his own mind.
How many other people, other than your mother-in-law, do you know that have a pitcher like that?
Ultimately, it doesn't really matter what she is. I just remembered some people here discussing it one time, so I decided to throw in my two cents.