hi friends
i have asked to submit family realtionshitp documents. my supporter is my wife first cousion but problem is that my mother in law and my supporter father both have gone passed away. what should i submit to proof that my mother in law and my supporter father are real siblings???
donot have mother in law tenth , have her death certificate but their is husband name
can submit an affidavit from supporter mother will be justified???
or explaing our relationship via family tree
please do support