Dulaim tribe is the strongest tribe among the three tribes of Zubid, even it's the strongest tribe in the southern part of the Al-Jazira, a quarter of the members of the Dulaim live as bedouin nomads, the rest are stable bedouins. they are between the Dulaim nomads and the Dulaim peasants who use agriculture. main place of tribe is Ramadi on the euphrates river.
Dulaim original composed from four clans (Al-Bu Alwan, Al-Bu Fahd, Al-Bu Ridaini, Al-Mahamda), joined to their tribe Albu Issa and Al-Jumeilat, which were south of Fallujah; this was the only change that has plagued combination of the tribe. it is noticeable that the number of Al-Bu Ridaini increased greatly since then significantly compared with the other clans, made it exceed its range as a clan.
Al-Bu Dhiyab Hardan Alaath and Mtlaq Al-Shaws practiced their authority on the left bank of the river and Ali bin Suleiman Al-Bakr from Al-Bu Assaf governs the Dulaim on the right bank of the river _ all these three of them belongs to Al-Bu Ridaini.
Dulaim bedouin lives on both banks of the euphrates river between the Hit and Fallujah and skip this region they are sell their agricultural economy products in Hit, Baghdad and the Levantine cities , while Dulaim bedouin nomads mostly sheep farmers , they own and live in large wide area greatly expanded after the departure of the Al Ubaid tribe from Al-Jazira (about 1815 y), starting from Anah and exceed in the east line of Samarra - Fallujah, up in the north to the urban areas, in the spring Dulaimi nomads camped in the Syrian desert also. there is enmity between Dulaim and Shammar that pass area of Al-Jazira in the spring, but on the other hand the Dulaim allied with Al-Amart from Anza tribe who have the right of pasture in their areas.
Sheikh Ali bin Suleiman Al-Bakr rule the Dulaim tribe the greatest Dulaim sheikhs influential since the period before the war. unlike his father, he cared to not challenge the authorities, no matter what it was. Sheikh Hardan Alaath fomenting troubles in the face of the English. while Nargs bin Al-Kaoud Sheikh of Albu Nimr remained supportive and loyal to the Ottoman Turks until the end of the war although he was their worst enemies in the past.〔Book Bedouins, Part I: Mesopotamia, Syria, northern Iraq, Dulaim, Author Max Oppenheim〕