Yes, they did marry.
No.
"Is it legal for a man in Scotland to marry his widow's sister?" His widows sister surely mean he's dead or his widow wouldn't be his widow!!, However if he had faked his death so he could then run off with and then marry his widows sister then this would be bigamy which is illegal in UK law.
No, Chris Perez, the husband of Selena, did not marry her sister after she died. Chris became very depressed after the death of his wife and didn't remarry until 2001. He divorced his second wife in 2008.
yes you can marry because she is your cosin sister
Yes, if his wife is dead or divorced he could marry her sister.
Yes. You can marry your LIVE wife's sister if you want to, provided that you are both free to marry.
Your cousin's sister is also your cousin. In some places it is legal to marry your cousin.
.
This is legal for a man to marry his widow's sister in France.
No, it is illegal to marry your sister in Tennessee. Incestuous marriages are prohibited in Tennessee as they are in many states due to the risk of genetic disorders and societal taboos.
A sister in law, by definition, is the sister of your wife. As long as you aren't still married to your wife, it would be legal. A sister-in-law can also be your brother's wife. You can marry her provided she is not still married to your brother.