[Machine] Her master died and left only one daughter. So the Messenger of Allah ﷺ decided that his daughter will receive half, and the other half will go to the daughter of Hamza.
أَنَّ مَوْلًى لَهَا تُوُفِّيَ وَلَمْ يَتْرُكْ إِلَّا ابْنَةً وَاحِدَةً «فَقَضَى رَسُولُ اللَّهِ ﷺ أَنَّ لِابْنَتِهِ النِّصْفَ وَلِابْنَةِ حَمْزَةَ النِّصْفَ»