That is probably what happened for the Earthborn. Barsoomians, who live for a fairly long time, may or may not have met before all this happened. Up to you. :D<br/><br/>You can also wait to see what develops in play, what makes sense to establish. You do not need to figure it all out now.<br/><br/>Edited to fix silly spelling error due to one-finger typing on phone during commute.