Surat Al-Ahzab (Arabic: سورة الأحزاب ) (The Clans, The Coalition, The Combined Forces) is the 33rd sura of the Qur'an with 73 ayat. Verse 5: Adoption in Islam. Ayat 6 contains a reference to the term Mother of Believers. Ayat 25 contains a reference to Battle of the trench. Ayat 26 contains a reference to the Siege of the Banu Qurayza. Ayat 28-34 contains a reference to Muhammad's wives. Ayat 33 contains a reference to Ahl al-Bayt(the Event of the Cloak) and its name is Verse of purification. Ayat 40 contains a reference to Finality of Prophethood. See last prophet. Ayat 50 was revealed pertaining to Maymuna bint al-Harith. Ayat 59 uses the word jalabib, the plural of jilbāb. This verse is used as evidence that jilbāb is incumbent upon Muslim women. Ayat 72 is called "The Verse of the Trust"