4446 - وَ رَوَى مُحَمَّدُ بْنُ قَيْسٍ عَنْ أَبِي جَعْفَرٍ عَلَيْهِ اَلسَّلاَمُ : فِي رَجُلٍ تَزَوَّجَ جَارِيَةً عَلَى أَنَّهَا حُرَّةٌ ثُمَّ جَاءَ رَجُلٌ فَأَقَامَ اَلْبَيِّنَةَ عَلَى أَنَّهَا جَارِيَتُهُ قَالَ "يَأْخُذُهَا وَ يَأْخُذُ قِيمَةَ وَلَدِهَا".
Hadith.4446 - Muhammad ibn Qays narrated from Abu Ja'far Imam Muhammad ibn Ali Al-Baqir 
regarding a man who married a woman under the assumption that she was free, but then another man came forward and presented evidence proving that she was his slave, what is the ruling?
Imam said: "He (the rightful owner) takes her back and also takes the value of her child."
