Ali Shams al-Din IIIAli Shams al-Din ibn al-Husayn Husam al-Din was the 22nd of Tayyibi Isma'ilis in 1527.LifeHis incumbency was among the shortest of all Da'is, lasting more than a month. He was the successor to the 21st Da'i al-Husayn Husam al-Din to the religious post.