We've missed you Ira!
Can some one marry his brother's wife's mother -in-law?
No, cuz the brother's wife's mother-in-law is the brother's mother. If she is the brother's mother, she is also your mother and you can't marry your own mother.
(2) Ann is looking at a portrait of a gentelmen. "He is not my father, but his mother was my mother's mother - in- law", she says. Who is this gentelman?
The gentlemen is Ann's uncle.