Complex sentence: Bin Salman is the son of King Salman and his third spouse Fahda bint Falah bin Sultan Al Hithalayn, and he is their eldest son and is full brother of Turki bin Salman, chairman of the Saudi Research and Marketing Group.
Split into simpler sentences: Bin Salman is the son of King Salman and his third spouse Fahda bint Falah bin Sultan Al Hithalayn. He is the eldest son of them and is full brother of Turki bin Salman, chairman of the Saudi Research and Marketing Group.