This group has its origins in the aftereffects of the death of Prince Makatiel in 1348 AD, and has grimly held on ever since. Its members were Servitors of Disease who traded most of their freedom and dignity to Saminga in exchange for their continued existence; each one of them bitterly resents the trade. Even their Word-Bound are distinctly considered second-class servants in the hierarchy of Death. It was, perhaps, inevitable that they would form a society dedicated around recovering their former glory.
It is not entirely clear that Saminga is unaware of this group, or that he would particularly care about them even if he did.