Helping the children of another step mother

My in law  has had  a good  time with the  children of her co-wife After  she was  married  to my  uncle .She came  to his  home  with another  woman  in married  and she had  left him with a son and daughter on seeing  this new woman at  this home decided to live with them without barriers.
Even after the death of my uncle she is still living with them and taking them to school.

Location: cherangany, kitale, kenya