Rai Shankar had three sons: Seo, Teo and Gheo, the ancestors of Sial, Tiwana and Gheba clans, respectively.

[5] During the fifteenth- and sixteenth-century periods of the Mughal Empire, the Sial and Kharal tribes were dominant in parts of the lower Bari and Rachna doabs of Punjab.

In the 18th century, Sial chief Walidad Khan gained control of Rechna Doab including cities of Chiniot, Pindi Bhattian, Jhang and Mankera.

[8] The Heer Ranjha and Mirza Sahiban, epic poems of Punjabi literature are pieces of fictional writing which refer to the Sials, who were the dominant tribe at the time.

The two heroines, Heer is depicted as young and independent-minded daughter of a Sial chieftain in revolt against traditional tribal conservatism.