Umar of Borno
Umar I ibn Muhammad al-Amin or Umar of Borno ( died 1881 ) was "Shehu" ( Sheik ) of the Kanem-Bornu Empire and son of Muhammad al-Amin al-Kanemi . 
<triplet> Umar of Borno <subj> Muhammad al-Amin al-Kanemi <obj> father <triplet> Muhammad al-Amin al-Kanemi <subj> Umar of Borno <obj> child