People who marry will be eligible to go into the world of another married group. However, people who get married are not eligible to go into a world of a person who did not get married.

[ So basically if the Ostoyans get married, Syr and Trahearne can go to their world, assuming they're also getting married. ]

I did not bring anyone with the purpose to bring them back from the dead just so that they would die alone again.