Complex sentence: His mother is one of King Saud's daughters, Noura bint Saud and his father was the older maternal half brother of the Sudairi Seven (only son of Hassa bint Ahmed Al Sudairi's marriage to Mohammed bin Abdul Rahman).
Split into simpler sentences: His mother is one of King Saud's daughters, Noura bint Saud. His father was the older maternal half brother of the Sudairi Seven (only son of Hassa bint Ahmed Al Sudairi through her marriage to Mohammed bin Abdul Rahman).