Fun fact: The moroccan emrperor Mulai ismael who founded the present moroccan royal family was half black through his mother’s side. Modern historians white washed him to make him look like a racist pale skinned arab slave trader. He had his reasons for using black soldiers in his empire.
The History of the Revolutions in the Empire of Morocco: Upon the Death of …
By John Braithwaite pg 350
https://books.google.com/books?id=Bu9WAAAAcAAJ&pg=PA350&dq=ishmael+mother+negro&hl=en&sa=X&ved=0ahUKEwiXkoqdkZndAhXMz4MKHaLaBnEQ6AEIMDAB #v=onepage&q=ishmael%20mother%20negro&f=false