(2) باب فِي الْمَرْأَةِ تَحُجُّ بِغَيْرِ مَحْرَمٍ
Nafi` said :
Ibn `Umr used to seat his slave girl called Safiyyah behind him(on the Camel) and thus she travelled to Makkah in his company.
Reference: Sunan Abi Dawud 1728
In-book reference: Book 11, Hadith 8
English translation: Book 10, Hadith 1724