Muhammad bin Abdul Rahman Al Saud was an Arabian soldier and politician who played a role in the conquests of his half-brother Abdulaziz that led to the formation of the Kingdom of Saudi Arabia.

Abdulaziz bin Abdul Rahman Al Saud, known in the West as Ibn Saud, was an Arab political and religious leader who founded Saudi Arabia – the third Saudi state – and reigned as its first king from 23 September 1932 until his death in 1953. He had ruled parts of the kingdom since 1902, having previously been Emir, Sultan, and King of Nejd, and King of Hejaz.