It was narrated from Anas that the Messenger of Allah (ﷺ) said: "Whoever seeks reward for (the loss of) three of his own children, he will enter Paradise." A woman stood up and said: "Or two?" He said: "Or two." The woman said: "I wish that I had said, 'or one."'
Source: sunnah.com
Other translations
Arabic
أَخْبَرَنَا أَحْمَدُ بْنُ عَمْرِو بْنِ السَّرْحِ، قَالَ حَدَّثَنَا ابْنُ وَهْبٍ، حَدَّثَنِي عَمْرٌو، قَالَ حَدَّثَنِي بُكَيْرُ بْنُ عَبْدِ اللَّهِ، عَنْ عِمْرَانَ بْنِ نَافِعٍ، عَنْ حَفْصِ بْنِ عُبَيْدِ اللَّهِ، عَنْ أَنَسٍ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " مَنِ احْتَسَبَ ثَلاَثَةً مِنْ صُلْبِهِ دَخَلَ الْجَنَّةَ " . فَقَامَتِ امْرَأَةٌ فَقَالَتْ أَوِ اثْنَانِ قَالَ " أَوِ اثْنَانِ " . قَالَتِ الْمَرْأَةُ يَا لَيْتَنِي قُلْتُ وَاحِدًا .
sunnah.com