On 21 July 1911, at the age of 16, Tengku Sulaiman Shah married Tengku Mariam, the daughter of Sultan Ahmad Muad'zam Shah of
Pahang. The marriage strengthened the relationship between Terengganu and Pahang. Sultan Sulaiman and his wife had ten children, five sons and five daughters. The eldest was Tengku Ali who succeeded his father as Sultan
Ali Shah upon Sultan Sulaiman's death in 1942. The Sultan's daughter, Tengku Asma, was married to
Sultan Badlishah who would later become the
Sultan of Kedah. ==Death==