Ubaidullah bin 'Umar bin Hafs عبيد الله بن عمر بن حفص بن عاصم · The Book on Blood Money

Yahya (one of the narrators) said: And I think it was from Rafi' bin Khadij - that 'Abdullah bin Sahl bin Zaid and Muhaiysah bin Mas'ud bin Zaid went out and when they reached Khaibar they separated while there. Then Muhayyisah found 'Abdullah bin Sahl murdered . Then he went to the Messenger of Allah (ﷺ) along with Huwayyisah bin Mas'ud and Abdur-Rahman bin Sahl. The youngest of the people, Abdur-Rahman, went to speak ahead of his companions. The Messenger…