Laws of Inheritance (Al-Faraa'id)
حَدَّثَنَا مُسَدَّدٌ، عَنْ يَحْيَى، عَنْ شُعْبَةَ، عَنْ مُحَمَّدِ بْنِ زِيَادٍ، أَنَّهُ سَمِعَ أَبَا هُرَيْرَةَ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " الْوَلَدُ لِصَاحِبِ الْفِرَاشِ ".Narrated Abu Huraira:The Prophet (ﷺ) said, "The boy is for the owner of the bed
From Sahih al-Bukhari, whose reports the scholars accept as authentic.