Ibn Abu Mulaika reported: I heard A'isha as saying and she was asked as to whom Messenger of Allah ﷺ would have nominated his successor if he had to nominate one at all. She said: Abu Bakr. It was said to her: Then whom after Abu Bakr? She said: Umar. It was said to her. Then whom after 'Umar? She said: Abu Ubaida b. Jarrab, and then she kept quiet at this.

وَحَدَّثَنِي الْحَسَنُ بْنُ عَلِيٍّ الْحُلْوَانِيُّ، حَدَّثَنَا جَعْفَرُ بْنُ عَوْنٍ، عَنْ أَبِي عُمَيْسٍ، ح
وَحَدَّثَنَا عَبْدُ بْنُ حُمَيْدٍ، - وَاللَّفْظُ لَهُ - أَخْبَرَنَا جَعْفَرُ بْنُ عَوْنٍ، أَخْبَرَنَا أَبُو عُمَيْسٍ، عَنِ ابْنِ،
أَبِي مُلَيْكَةَ سَمِعْتُ عَائِشَةَ، وَسُئِلَتْ، مَنْ كَانَ رَسُولُ اللَّهِ ﷺ مُسْتَخْلِفًا لَوِ
اسْتَخْلَفَهُ قَالَتْ أَبُو بَكْرٍ . فَقِيلَ لَهَا ثُمَّ مَنْ بَعْدَ أَبِي بَكْرٍ قَالَتْ عُمَرُ . ثُمَّ قِيلَ لَهَا مَنْ بَعْدَ
عُمَرَ قَالَتْ أَبُو عُبَيْدَةَ بْنُ الْجَرَّاحِ . ثُمَّ انْتَهَتْ إِلَى هَذَا .