Well, Irrawaddy's child was concieved through prostitution
The child name is Sacrabani. As for the relationship between Sacrabani and albinism is simple, he got one. And during his childhood, Sacrabani was always ridiculed because of it
I dont know why she wants jig to stop talking but I imagine she says it over and over again to show that she is aggrivated and to make her point to show that she wants him to stop talking.