The kids are 10, 8 and 3. I home school and am home with them all the time.
I would not introduce them to anyone as more than a friend anyway. They don't know what's going on and are too young to really "get it" right now anyway.
Neverwhere - exH, we have a son together.
Amanda - Neverwhere's 1st wife and one of the reasons my marriage to him ended. They have three sons together.
Mark - Neverwhere's brother. We are dating. He is mono.
JBR - My boyfriend of 8 months, also poly, has kids, we live together.