عَنْ عَائِشَةَ رَضِيَ اللَّهُ عَنْهَا قَالَتْ: وَكَانَ يُصَلِّي بِهِمُ الْعِشَاءَ ثُمَّ يَدْخُلُ بَيْتِي فَيُصَلِّي رَكْعَتَيْنِ، وَكَانَ يُصَلِّي مِنَ اللَّيْلِ تِسْعَ رَكَعَاتٍ فِيهِنَّ الْوِتْرُ
It is narrated from Sayyida Aisha (may Allah be pleased with her), she says that after leading the people in the Isha prayer, the Prophet (peace and blessings be upon him and his family) would come to my house and perform two rak'ahs, and during the night he would offer (9) rak'ahs including the Witr prayer.