Question:
Is a person taking his children’s sins if he isn’t taking care of them, but instead puts them for adoption?
Answer:
A person that has a child, is given the responsibility to educate that child so that he should be a G-d fearing Jew that keeps the mitzvos. To the degree that the father didn’t educate his son, he is held accountable for his sins, while he is a minor. If a person has the possibility to educate this child, and instead he puts him up for adoption in an enviroment that will cause the child not to keep the mitzvos, then the person didn’t fulfill his obligation, and might be held accountable for his causing the child to sin.
Best Wishes