Sunan Abi Dawud The Book of Manumission of Slaves Abbas bin Farroukh al-Jariri عباس بن فروخ الجريري Abdul Samad bin 'Abdul Warith bin Sa'id عبد الصمد بن عبد الوارث بن سعيد Amr bin Shu'aib bin Muhammad عمرو بن شعيب بن محمد السهمي Hmam bin Yahya bin Dinar همام بن يحيى بن دينار Muhammad bin al-Muthna - al-Zaman محمد بن المثنى أبو موسى - الزمن Shu'aib bin Muhammad bin 'Abdullah شعيب بن محمد بن عبد الله بن عمرو Hasan on his father’s authority, told that his grandfather reported the Prophet (ﷺ) said: A slave who has entered into an agreement to purchase his freedom is a slave as long as a dirham of the agreed price remains to be paid. https://parallelquran.com/hadith/sunan-abi-dawud-3926/