It is possible that his family could have included children and therefore it is not wrong to baptize children. Now, this is only your opinion and not the truth. The family that was baptized might also have pregnant women among them and therefore it could be implied that the child in the womb was also baptized with the mother. Thus one may let loose a preposterous doctrine that if the mother is baptized, it is not necessary for the child also to receive baptism separately. This is the truth.
Children can neither believe nor repent of their sins.
Therefore baptism to children is not necessary. The robber on the cross did not receive baptism, yet he went to paradise. Therefore, we too may go to paradise without baptism. Once again, this is your opinion and not the truth. Don't follow in the footsteps of the robber and become a robber yourself.