The castes among Somali people have also existed in other east and northeast African ethnic groups. In east African ethnic groups, such as the Oromo people for example, cognates to Somali castes have been recorded in 16th century texts, states Cornelius Jaenen. The table below illustrate some alternate terms for castes mirroring the Somali Madhiban in other ethnic groups that share this region with the Somali people. Similarly, equivalent terms for castes in other northeast and east African ethnic groups mirror other castes such as the Tomal and the Yibir of Somali people.