Who was the son of one of King Abdulaziz many spouses who's brother  is King of Saudi Arabia, Custodian of the Two Holy Mosques, and head of the House of Saud ?
Hussa bint Ahmed Al Sudairi Hussa bint Ahmed Al Sudairi (1900–1969) was one of King Abdulaziz many spouses and the mother of King Fahd and King Salman, monarchs of Saudi Arabia.
Abu Faris Abdallah Abu Faris Abdallah, nicknamed al-Wathik Billah (1564–1608) was a ruler of the Saadi dynasty. He was one of the three sons of Ahmad al-Mansur and reigned in different parts of the country (1603–1608), the South, Marrakesh and Fez. He especially fought his brother Zidan Abu Maali (r. 1603–1627).