The Al Kathiri () is a Yemeni tribe based in the south of the Arabian Peninsula. It is one of the largest tribes of Banu Quda'a who have alliance with Banu Hamdan of Hadramawt in eastern Yemen and Oman, with populations in Saudi Arabia, Qatar, United Arab Emirates, Indonesia, and East African countries such as Somalia, Kenya, and Tanzania as well as Iran mainly concentrated in the most Arabic populated province of the country Khuzestan. There are two tribes of Al Kathiri, one that allied with Banu Hamdan, and one that is allied with Banu Lam, which is descended from Tayy tribe.
Genetic studies of haplogroup J1 L222.2 suggest that tribes from Quda'ah, including Al Kathiri, are more closely aligned with the Adnanites, challenging earlier claims of Qahtanite origins that arose during the early Islamic period.
Sultanate Qu'aiti emerged at the beginning of the 19th century with the Britain support and shared Sultanate Alkatiri in ruling. The north and the east of Hadramout remained under the control of Alkathiri and the west became with Qu'aiti. The two Sultanates entered in long wars lasted for 100 years till they reconciled and signed a treaty under the superintendence of the British colonial in 1937 AD in the palace of the Sultan Al Kathiri in Seiyoun, Alkatiri's capital. Signing the agreements was attended too by other Hadhrami tribes such as Nahed, Awamer, Sei’ar and Alhmoum as well as Yafa tribe.Book. History of Hadramout
As a result of these long years of wars to expand the influence and gain control, many of the stages and the details of Al Kathiri history and their Sultanate was hidden and did not stand out enough.
The most important areas of Al Kathir tribe in Hadhramaut are Seiyoun, Shibam, Tarim, Ned Al Kathir (Quff), Sah, Sheil Djaima, Algarah, Alhazem, Alghurfa, Almasila, Alardh, Aradh Al-Abdullah, Tris, Alghuraf, Mdodh, Redood, Shahar, Eynat, Alhota, Mukalla and Al-Jawf, Thamood, Buhyra, Faret, Al Fez Castle, Algufel, Al Aas Castle, Aredh AlSuqair, Sheil Shibam, Almahjar, Almsial and Wadi Sir, Ajlanyh, Albeda, Jahz, Saleel Al Kathir, Wadi Ben Ali, Wadi Ne'aam, Wadi Sh'houh, Rydat bin Abdel-Wadood, Gosaiar and the coast of Hadramout.There are two bigger tribes Like Jaddad And whoaur These Tribes Hold The Thrones To The Alkathiri Family.
| Badr as-Sahab ibn al-Habrali Bu Tuwairik |
| Muhammad ibn Ali |
| Ja'far ibn 'Abdallah |
| Badr ibn Abdallah |
| Unknown Sheikhs |
| Ja'far ibn Abdallah al-Kathiri |
| Badr ibn Ja'far al-Kathiri |
| Abdallah ibn Badr al-Kathiri |
| Amr ibn Badr al-Kathiri |
| Ahmad ibn Amr al-Kathiri |
| Muhsin ibn Ahmad al-Kathiri |
| Ghalib ibn Muhsin al-Kathiri |
| Mansur ibn Ghalib al-Kathiri |
| Ali ibn al-Mansur al-Kathiri |
| Ja'far ibn al-Mansur al-Kathiri |
| Husain ibn Ali al-Kathiri |
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