[4] Ibn Saud proclaimed his dominions as the Sultanate of Nejd in 1921, shortly before completing the unification of the region.For the next five years, Ibn Saud administered the two parts of his realm, the Kingdom of Hejaz and Nejd as separate units.Muhammad bin Nayef was the first grandson of Ibn Saud to be in the line of succession before being deposed from the position of Crown Prince by a royal decree in 2017.The kings after Faisal have named a "second deputy prime minister" as the subsequent heir after the crown prince.The Royal Standard consists of a green flag, with an Arabic inscription and a sword featured in white, and with the national emblem embroidered in gold in the lower right canton of the year 1973.