It wasnarrated that Ibn 'Abbas said:
"A man died at the time of theMessenger of Allah (ﷺ), and he left no heir except for a slave whomhe had set free. The Messenger of Allah (ﷺ) gave the legacy tohim." (ES)
English reference (ES): Vol. 4, Book 23, Hadith 2741 (ES)
Arabic reference (ES): Book 23, Hadith 2846 (ES)