Cid, you should seriously tell them the story about how a normal FFVII debate turned into a FLAME WAR over what material Vincent's coffin was made out of.

Oh, and mention how... ***FFVI SPOILERS***...

It can be interpreted that Shadow is Relm father through the optional dreams (just spend the night at random places) in the World of Ruin. They might know this, but that's all I got right now.