ABUBAKAR SIDIQ
Sultan of Sokoto
Nigeria
HAPI IV
King of Bana
Cameroun
HALIDOU SALI
Lamido of Bibemi
Cameroun
BOUBA ABDOULAYE
Sultan of Rey-Bouba
Cameroun
SALOMON IGBINOGHODUA
Oba Erediauwa of Bénin
Nigeria
EL HADJ MAMADOU KABIR USMAN
Emir of Katsina
Nigeria
GOODWILL ZWELETHINI
King of Zulu
South Africa
OBA JOSEPH ADEKOLA OGUNOYE
Olowo of Owo
Nigeria
Sultan of Sokoto
Nigeria
HAPI IV
King of Bana
Cameroun
HALIDOU SALI
Lamido of Bibemi
Cameroun
BOUBA ABDOULAYE
Sultan of Rey-Bouba
Cameroun
SALOMON IGBINOGHODUA
Oba Erediauwa of Bénin
Nigeria
EL HADJ MAMADOU KABIR USMAN
Emir of Katsina
Nigeria
GOODWILL ZWELETHINI
King of Zulu
South Africa
OBA JOSEPH ADEKOLA OGUNOYE
Olowo of Owo
Nigeria