The Chapters on Marriage
9/59. Chapter:
The child is for the bed and the fornicator gets nothing
Sunan Ibn Majah
حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا سُفْيَانُ بْنُ عُيَيْنَةَ، عَنْ عُبَيْدِ اللَّهِ بْنِ أَبِي يَزِيدَ، عَنْ أَبِيهِ، عَنْ عُمَرَ، أَنَّ رَسُولَ اللَّهِ ـ صلى الله عليه وسلم ـ قَضَى بِالْوَلَدِ لِلْفِرَاشِ .
It was narrated from 'Umar that: the Messenger of Allah ruled that the child belonged to the bed.
Reference : Sunan Ibn Majah 2005In-book reference : Book 9, Hadith 161English translation : Vol. 3, Book 9, Hadith 2005