Muhammad at-Taqi (Ahmed ibn Abadullah)

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Muhammad at-Taqi (True name: Aḥmad ibn ʿAbd Allāh ibn Muḥammad ibn Ismāʿīl (أحمد بن عبد اللّه بن محمد بن إسماعيل) or Aḥmad ibn ʿAbd Allāh ibn Muḥammad at-Taqi^[1]) (born AH 198 (813/814), died AH 225 (839/840), Salamia, Syria, Imam: AH 212 (827/828)-AH 225 (839/840)) is the ninth Ismāʿīlī Imam . As the Imam, he was the supreme spiritual leader of the Ismāʿīlī community from his appointment until his death. The Nizari and Mustaali trace their Imamate lines from him and his descendants who founded the Fatimid Empire. He was succeeded by his son, Ḥusayn ibn Aḥmad /Raḍī ʿAbd Allāh.

The 8th to 10th Ismāʿīlī Imams were hidden from the public, because of threats from the Abbasid caliphate, and were known by their nicknames. However, the Dawoodi Bohra in their religious text, Taqqarub, claim to have the true names of all 21 imams in sequence including those "hidden" imams: 8th Imam Abdillah-ibne-Mohammad the true name/ (Wafi Ahmad), 9th Imam "Ahmed-ibne-Abdillah (Taqi Muhammad), and the 10th Imam Husain-ibne-Ahmed(Raḍī ʿAbd Allāh).^[2][3]

Some of his ancestors, relatives and the tree of the Ismāʿīlī Shia Islam

Tree of the Ismāʿīlī Shia Islam.

Nizārī-Ismāʿīlī Imams
1. Ali 2. Husayn 3. al-Sajjad 4. al-Baqir 5. al-Sādiq 6. Ismā'il 7. Muhammad 8. Abdullāh (Wāfi Ahmad) 9. Ahmad (Tāqi Muhammad) 10. Husayn (Rādhi Abdullāh) 11. ʿUbayd Allāh al-Mahdī b’il-Lāh 12. Muhammad al-Qā'im 13. Ismāʿīl al-Mansur 14. Ma'ādd al-Mu'izz 15. Nizār al-Aziz 16. Mansur al-Hākim 17. Ali az-Zāhir 18. Ma'ādd al-Mustansir 19. Nizār al-Mustafá 20. Al-Hādī 21. Al-Mutadī 22. Al-Qāhir 23. Hassan II ʻAlā Dhikrihi-s-Salām 24. Nūr-al-Dīn Muhammad II 25. Jalālu-d-Dīn Hassan III 26. ʻAlāʼ ad-Dīn Muhammad III 27. Ruknu-d-Dīn Khurshāh 28. Shamsu-d-Dīn Muhammad II 29. Qāsim Shāh 30. Islām Shāh 31. Muḥammad b. Islām Shāh 32. Al-Mustanṣir billāh II 33. ʻAbdu-s-Salām Shāh 34. Gharīb Mīrzā 35. Abū Dharr ʻAlī 36. Murād Mīrzā 37. Dhū-l-Fiqār ʻAlī 38. Nūru-d-Dīn ʻAlī 39. Khalīlullāh II ʻAlī 40. Nizār II 41. As-Sayyid ʻAlī 42. Ḥasan ʻAlī 43. Qāsim ʻAlī 44. Abū-l-Hasan ʻAlī 45. Shāh Khalīlullāh III 46. Hassan ʻAlī Shāh 47. Āqā ʻAlī Shāh 48. Muhammad Shāh 49. Karīmu-l-Hussaynī