trying to find a firefly fanfic I read?

I'm trying to remember a firefly fanfic that I read.The thing is that I remember a part of it where Inara had twins rate before she became a companion.she was not aloud to keep them and the stayed with there father.For some reason she ended up with them and one of them was a reader like River.I also believe one was a girl and one a boy but I can't remember what the rest of the story was about.Does anyone know what story this was part of?