My wife gave birth to a (black)baby that clearly isn't mine, and I'm divorcing her. But I'm worried about the relationship between my two kids and their new half-sister.

A month ago, my wife gave birth to a black baby girl. We're both white, so she was forced to admit that the child was a result of a one night stand last year. <br><br>I've started divorce proceedings, although we're still in the same house for now. Obviously I'm not going to be paying any child support. My two kids (M14 and F11) are pretty upset by the whole situation, and are refusing to have anything to do with the baby. They're pretty angry at their mother, too.<br><br>What really worries me, however, is how they'll view their half-sister as they get older. The circumstances of her birth and the effect it's had on our family are obviously pretty irregular, and I can see them growing to resent her or blame her for the breakup of our marriage. <br><br>I've spoken to my wife about this, but she seems to view it as my problem: she says that since I'll have full custody of my two kids, it's my job to ensure they behave nicely. How would you recommend I approach this?<br><br>**TLDR:** My wife cheated and had a baby, and I'm divorcing her. I need to ensure my children don't grow to resent their half-sister.<br><br>Update: I've taken a custody precip out on the two kids. The wife has agreed to leave the house, and has taken the baby with her. It's just a standard temp agreement, the holiday season is approaching and we're not due in court for a couple months, so this could last for a while. As previously suggested, I have spoken to the kids and laid out how I expect them to behave towards their half-sister going forward.