Documents required for dependent - PEO

[adl]

I am going to attend my PEO appointment for tier 1 general. I have one dependent with my application, we are living together.

Could anyone please guide me what document do I need to present for my wife to proof she is my dependent?

I mean do I need to provide marriage certificate again or letters/statements those have same address showing that we are living together etc

Could anyone let me know please.

[askhan]

the docs who have mentioned they are more then enough
marriage certificate
bank statement

thats all. they dont bother to ask any way