Can the sister of her brother's wife marry her sister in law's brother?
What episode does yosemite sam try to marry a widow for all her money and has to take care of the widows son and tries to hurt the son but ends up getting hurt instead?
Can a sister-in-law and brother-in-law marry?
Yes, unless they are close biological relatives like brother and sister etc. They are only in your family because you and your spouse got married. That does not make them related in any other way.
Can I marry my half sister?
No, because she is related to you.
I want to marry my younger sister how?
If she has the same natural parents as you have you cannot legally marry her, it would be called incest and it is against the law.