It is not for the Prophet and those who have believed to ask forgiveness for the polytheists, even if they were relatives, after it has become clear to them that they are companions of Hellfire.
It is not right for the Prophet and the believers to seek forgiveness from Allah for the idolaters, even if they are their relatives, after it has become clear to them that they are the people of the fire of Hell – because they died as idolaters.