Answer
Ibn Saud is the founder and first king of Saudi Arabia, who ruled from 1932 until his death in 1953. He was succeeded by his son Saud, who ruled from 1953 to 1964. Saud was then succeeded by his half-brother Faisal, who ruled from 1964 to 1975. Faisal was then succeeded by his half-brother Khalid, who ruled from 1975 to 1982.