Sir E. Atsunaga's Links
Ignores the existed of Elseth because he's not actually his.
He doesn't really care because he likes his actual dad more
His favorite son, he teaches him everything he needs to run the cult in his place when he retires. He dislikes some of his life choices though.
The only other son that he actually accepts as his own and pays some attention to though not as much as he does with Erishun