The Lebethe surname is such a unique and uncommon surname.
The clan originally comes from Botswana. Some have migrated south and south-east into South Africa and highly concentrated in the North West, Gauteng (Pretoria, Johannesburg, Ekurhuleni, Heidelberg and Sebokeng).
Their primary home language is Setswana.
A much more detailed study is being being conducted and more information will be published.