ENOfficial
Anas told that he and Abu Talha arrived with God’s Messenger who had Safiya riding behind him on his mount. Bukhari transmitted it.
Source: sunnah.com
Other translations
Arabic
وَعَن أنسٍ: أَنَّهُ أَقْبَلَ هُوَ وَأَبُو طَلْحَةَ مَعَ رَسُولِ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ وَمَعَ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ صَفِيَّةُ مُرْدِفَهَا عَلَى رَاحِلَته. رَوَاهُ البُخَارِيّ
sunnah.com