 An obelisk was erected there on 8 August 1936, the 20th anniversary of his execution.The Germans and later colonial powers in Cameroon became wary of the Duala and never again allowed a powerful chieftaincy to take hold among them.After the French became the colonial power in French Cameroun after World War I, Rudolf Duala Manga Bell's brother Richard Ndumbe Manga Bell continued to fight to regain the lost Duala lands.