In Sudan, and the narrations attribute them to Abbas, the uncle of the Messenger. The name of the group was. Rather, they are among the most influential and numerous Arab tribes. They attribute themselves to a great-grandfather named Ibrahim, and they were nicknamed Al-Ja'ali, and the successive historical narrations attribute them to Sa'd bin Fadl bin Abdullah bin Al-Abbas, the uncle of the Messenger, peace be upon him. For this reason, they are sometimes called in Sudan the Abbasid group instead of the Ja'ali group.

One of the sons of the Ja'ali or Abbasid family, whom the sources call (Muhammad Al-Jamal), was able to reach Taghli and settle there for a period of time. Then he approached the ruler of that kingdom after leaving Tabalatta, which was inhabited on the Nile near the mouth of the Atbara River, to settle in that region and marry the daughter of the leader of Taghli and carry out many reforms and works that amazed the king and the people. That marriage produced a son whom the sources call (Abu Jurayda). This son inherited the throne due to the inheritance of the grandson in those regions.

From here, Abu Jurayda inherited the throne of Taghli from his grandfather. From here, Abu Jurayda is considered the actual founder of the ruling Ja'ali family and its control over the course of affairs in the Sultanate of Taghli since he took over the reins of power in the country, and his descendants continued to inherit the throne of the country until the beginning of the twentieth century AD.

The exact time or the actual years when Sultan Abu Jurayda bin Muhammad Al-Ja'ali took over the reins of power in the country are not known. However, it is commonly understood that the first quarter of the sixteenth century AD was the period of his accession to the throne. Abu Jurayda worked for the emergence of a sultanate with authority in the region of Aslimi, where Islam had spread widely among the members of the Sultanate of Taghli due to the intensive settlement of Arab tribes migrating from the north, west, and east, as this region was a meeting point for tribes migrating from different peripheries.