Am I wrong for breaking up with my boyfriend because he always acts weird when he brings his daughter to our house?

Anonymous
We recently moved in together when he moved in I met his daughter she's 2 he's 29 i have a child as well she's 6. When he first started bringing her over he would always go into our room and close the door he never comes out into the living room with her he acts like he doesn't want my child around his and just make the environment around the house uncomfortable. His first excuse was he didn't want his child getting hurt my child plays with kids younger than her and those kids have never been hurt. We got into a argument and he finally told me the truth he told me he didn't want our kids playing together because my child is dirty. He apologized for saying that the next week when his daughter came over we all went out together he had his daughter around my daughter more. and now this week when she came over he started staying in the room more and closing our room door. He said he's just trying to father his daughter he don't want my child playing with his and accused me of being jealous of his child and told me I'm jealous because he's trying to be a father to his child and he's not being a father to my child

I never asked him to be a father to my child i told him if we ever get married I would expect him to be a father figure to my child my child's father is not around because I was raped got pregnant and decided to keep my child
Am I wrong for breaking up with my boyfriend because he always acts weird when he brings his daughter to our house?
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