Sahih al-Bukhari 1860

Arabic

وَقَالَ لِي أَحْمَدُ بْنُ مُحَمَّدٍ حَدَّثَنَا إِبْرَاهِيمُ، عَنْ أَبِيهِ، عَنْ جَدِّهِ، أَذِنَ عُمَرُ ـ رضى الله عنه ـ لأَزْوَاجِ النَّبِيِّ صلى الله عليه وسلم فِي آخِرِ حَجَّةٍ حَجَّهَا، فَبَعَثَ مَعَهُنَّ عُثْمَانَ بْنَ عَفَّانَ وَعَبْدَ الرَّحْمَنِ بْنَ عَوْفٍ‏.‏

English translation

Narrated Ibrahim's grand-father that 'Umar(ra) in his last Hajj allowed the wives of the Prophet(ﷺ)to perform Hajj and he sent with them 'Uthman bin 'Affan(ra) and 'Abdur-Rahman bin 'Auf(ra) as escorts

Reference: Sahih al-Bukhari 1860, Book of Penalty of Hunting while on Pilgrimage. English translation by Dr. Muhammad Muhsin Khan.