It is narrated from Sayyidah Aishah (may Allah be pleased with her) that the Prophet (peace and blessings be upon him) married her when she was six years old, the marriage was consummated when she was nine years old, and she remained in his (peace and blessings be upon him) marriage for nine years.
Hadith Referenceالمعجم الكبير للطبراني / مسند النساء / 19353