Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
bayhaqi:14011al-Shaʿbī > Masrūq > ʿAbdullāh

[Machine] "He (Abu Abdullah) narrated to me that Abu Al-Walid informed him that Muhammad Ibn Ahmad Ibn Zuhair narrated to him that Abdullah Ibn Hashim narrated to him that Waki narrated from Israel, from Jabir, who mentioned it: It is forbidden for a free man to marry a female slave except for the slaves."  

البيهقي:١٤٠١١وَرَوَى جَابِرٌ الْجُعْفِيُّ عَنِ الشَّعْبِيِّ عَنْ مَسْرُوقٍ عَنْ عَبْدِ اللهِ قَالَ

لَا يَنْكِحُ الْأَمَةَ عَلَى الْحُرَّةِ إِلَّا الْمَمْلُوكُ أَنْبَأَنِيهِ أَبُو عَبْدِ اللهِ إِجَازَةً عَنْ أَبِي الْوَلِيدِ ثنا مُحَمَّدُ بْنُ أَحْمَدَ بْنِ زُهَيْرٍ ثنا عَبْدُ اللهِ بْنُ هَاشِمٍ ثنا وَكِيعٌ عَنْ إِسْرَائِيلَ عَنْ جَابِرٍ فَذَكَرَهُ