Visit visa documents to show home country Ties

Hello I need advice that what documents people are adding to show the ties for home country to show that they will return back home

I am applying for my parents visit visa both are un-employed and depend on me and my brother who live with them and also help them financially, sister live in same country but don't live with parents as they married, what documents my parents can add to show that brother live with them and also help them financially also what documents related to sister I can add as a prove of relation (there I.D card??)

Thanks

No need to post the same query in a different sub forum when you have a topic in the General Immigration Forum.

http://www.immigrationboards.com/genera ... l#p1384627