The DM posts that i noticed.
#6134 "Underking - poisoned probably by PURPLE"
#6400 DM beat UK in the joust
#6504 "I want grant to heal Underking"
#8420 "I've got Grant/UK as never purple."
#8485 clears visor of being a purple conversion
#8486 "I don't have any reason to believe that the Sons are immune to conversion.
#9256 "This tells me that there is probably still a purple in the kings sons, and a red outside of the kings sons."
#9404 "I think if any of the sons were converted, the ideal candidate would to convert Mendel due to KP "
#9602 Looking for Cooper spew, decides Dya is unlikely and blank on tom/grant/uk
They're pretty much a blank.
he made a good assumption about the poison pretty quickly.
and he's been consistent in saying that the sons might be susceptible to conversion.