THE SON OF THE SHEIK (1926) – Having had more flops than hits in recent years, Valentino jumped at the chance to try reviving his box office mojo by playing both father and son in this sequel to his mammoth hit The Sheik.
Agnes Ayres returned as the Sheik’s wife Diane, and in old age makeup she and Rudy reprised their roles from the 1921 film. Via split-screen technology, Valentino’s aged Sheik interacted with his son, also named Ahmed.
The younger Ahmed falls in love with a dancing girl named Yasmin (Vilma Banky), who acts as the honeypot to lure wealthy suckers into her father’s web of con artist scams. The attraction is mutual, and Ahmed and Yasmin begin regular rendezvous at desert ruins near the city of Touggort, where she dances and her father’s gang pulls off their cons. Continue reading
THE EAGLE (1925) – Valentino dabbled in 
THE SHEIK (1921) – Edith Maude Hull’s 1919 novel came to the big screen to cement Rudolph Valentino’s rising star. He shone as Sheik Ahmed Ben Hassan with Agnes Ayers as Lady Diane Mayo.
A lot of Gothic Romance Novel antics follow in this film that has not aged well. Valentino’s wide eyes and flaring nostrils were masterfully parodied by Peter Sellers in a comedy bit decades later. 
As their battle of wills goes on, Diane is seized by caravan robbers and taken to their leader’s lair. Sheik Ahmed leads his men to the rescue, and, with Stockholm Syndrome well and truly in charge, Lady Diane “realizes” how much she has fallen in love with her abductor.
Balladeer's Blog 