9.13.2 Sir Catto

Its not like there were no methods to deal with the issue that was Rudhir. But information on those details were not in the Patriarch of the Dhuma family. And by the time he obtained it, things had already reached a level that it had entered the alien territory. 

Generally using the Blood Sacrifice method on a child would also require support o a church capable of purification as well as some extra sacrifices that would take place of the family member's that were enjoying the protection of this sacrifice. 

But if they kept killing over a dozen people every time a new son is born in a town as small as there, it would be noticed. This was not a city where they would be able to find stragglers for sacrifices easily. Nor were there any priests that would purify the carrier of the curses.