Your parent would be a first cousin. She would be your husbands first cousin once removed.
3rd cousin I think:-)
your second nephew
Niece
First cousin once removed.
cousin
3rd cousin
your step niece,,, if it was your brothers own daughter it would be your niece, since its his stepdaughter, than its your step niece.
They would be cousins, once removed.
Your great great grandfather.
Reshmas husbands mother is her mother in law. Rams wifes mother is his mother in law. Therefore Rams mother in law must be Reshmas husbands sister in order for her to be the daughter of Reshmas mother in law.
Cousin in Law
Your grandfather's sister is your great aunt.