ʻAlwī bin Ṭāhir al-Ḥaddād was born in Qaydun, Hadhramaut, Yemen on August 7, 1884 CE ( 14 Shawwal 1301 AH).
Thahir is a Sayyid of Ba'Alawi sadah with his family lineage traces back to Ali ibn Abi Talib and Fatimah.
ʻAlwī bin Ṭāhir al-Ḥaddād died on November 14, 1962, and was buried at the Mahmoodiah Royal Mausoleum in Johor Bahru.
[2] ʻAlwi finished reading the Ihya Ulum ad-Din (The Revival of Religious Sciences) of Imam al-Ghazali while he was still 12 years old.
The areas of his teachings including Tafsir, Hadith, Fiqh, Usul al-fiqh, History, Astronomy, Nahwu, Sharaf, Balaghah (Arabic Rhetoric), Philosophy and Tasawwuf.
[2] During his life, ʻAlwi traveled to various places away from his hometown, such as to Somalia, Kenya, Mecca, Dutch East Indies, Malaysia and others.