Abu Salamah bin Abd al-Rahman (may Allah have mercy on him) said that Sayyiduna Abd al-Rahman bin Awf (may Allah be pleased with him) bought a slave girl from Asim bin Adi (may Allah be pleased with him). She had a husband, so he returned her.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب البيوع / 10749
Abu Salamah (may Allah have mercy on him) said that Sayyiduna Abd al-Rahman bin Awf (may Allah be pleased with him) bought a slave girl from Sayyiduna Asim bin Adi (may Allah be pleased with him). He was told that she had a husband, so Sayyiduna Abd al-Rahman bin Awf (may Allah be pleased with him) returned her.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب البيوع / 10750
Hafs bin Ghaylan narrates from Sulayman bin Musa (may Allah have mercy on him) concerning a slave girl who was sold while she had a husband: Sayyiduna Uthman (may Allah be pleased with him) gave the ruling that this is a defect, and she is to be returned.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب البيوع / 10751