Anas told that he and Abu Talha arrived with God’s Messenger who had Safiya riding behind him on his mount. Bukhari transmitted it.

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