The Hadrami or Hadhrami Sheikdom (Arabic: مشيخة الحضرمي), Maktab Al Hadharem (Arabic: مكتب الحضارم), or Al Hadharem (Arabic: الحضارم), is one of the five sheikdoms of Upper Yafa. The Hadrami sheikdom was divided into four quarters: Sinaani (سناني), Bal Hay (بلحأي), Thuluthi (ثلثي), and Marfadi (مرفدي). The capital of the sheikdom is the village of Al-Shibr (Arabic: قرية الشبر), which is located in the Sinaani quarter.
Hadrami sheikhdom Wikipedia
The state was abolished on 14 August 1967 upon the founding of the People's Republic of Yemen. In 1990 it became part of the Republic of Yemen.
Hadrami was ruled by sheikhs who bore the title Shaykh al-Mashyakha al-Hadramiyya.1820 - 1850 Ghalib al-Hadrami
1850 - 1870 Muhammad ibn Ghalib al-Hadrami
1870 - 1900 Muhsin ibn Ghalib al-Hadrami
1900 - 1915 Muhsin ibn Muhsin al-Hadrami
1915 - 1945 Nasi ibn Muhsin al-Hadrami
1945 - 1958 Muhammad ibn Muhsin al Hadrami
1959 `Abd Allah ibn Muhammad al-Hadrami
1959 - 1967 `Abd al-Qawi ibn Muhammad al-Hadrami