Is marriage to the son of an adulterer forbidden, even if he is pious and righteous?

There are Hadiths that condemn the child of zina (fornication/adultery), most of which are weak, except for the Hadith "The child of zina is the worst of the three," which Ibn al-Qayyim and Al-Albani graded as hasan (good). Scholars have interpreted this Hadith in two ways: The first is that he is the worst of the three if he acts like his parents. The second is that most children of zina have evil in them because they are created from impure sperm.

Shaykh al-Islam Ibn Taymiyyah emphasized that if the child of zina believes and performs good deeds, he will enter Paradise, and that recompense is based on actions, not lineage. The Permanent Committee also clarified that if the child of zina dies upon Islam, he will enter Paradise, based on the verse: "And no bearer of burdens will bear the burden of another," and that the Hadith "The child of zina will not enter Paradise" is not authentic.

As for the ruling on marrying a child of zina, no reputable jurist has forbidden it. Shaykh Ibn Baz permitted the marriage of a Muslim woman to a child of zina if he is a righteous Muslim, based on the verses: "And no bearer of burdens will bear the burden of another," and "Indeed, the most noble of you in the sight of Allah is the most righteous of you."