Lust is River's adopted mother. (One step.)
Hughes has been talked to and confused massively by River. (One step.)
Tamaki has attempted to Host to River. (One step.)
Lyta has gotten into a pissing match with Schuldig who helped River. (Two steps.)
Valyn has met River. (One step.)
Citan has spoken to Reno who has spoken directly to River. (Two steps.)
Naomi has...um...I may need to come back to this one, Naomi really doesn't talk to too many people. :/