The following Oncers know James was "adopted", killed and replaced, ended up in The Underworld and was pushed into the River of Lost Souls.

sparkythegeek
athousandsmiles

The following Oncers know this is from the S1 episode, A Land Without Magic.

athousandsmiles
sparkythegeek

Sorry for the screw up with the poll about Henry. I changed one small thing and couldn't get it to post properly even after deleting it and making a new one.