Ibrahim IV ya kasance ana yi mas take da Sarkin Musulmi na Kanuri na jihar Bornu daga 1820-1846. Yana daya daga cikin shugabannin da suka gabata daga daular Sefawa. Mahaifin Ibrahim, kuma tsohon mai mulkin Bornu, ya yi kira ga El-Kanemi, malamin Islama kuma Jarumi, da ya taimaka ma shi ya yaƙi Fulani da shugabansu Goni Mukhtar. Su biyun sun sami damar kawar da Fulani daga galibin Bornu. Ayayin gwagwarmayan El-Kanemi ya yi ƙarfi, kuma ya kasance barazana ga gidan sarauta na Sefawa, wanda Ibrahim da mahaifinsa suka kafa, Dunama Daga baya aka kashe Dunama a wani yunƙurin kashe El-Kanemi. Dan shi, Ibrahim ya gaje shi. El Kanem kuma akayi rashin sa'a ya mutu a shekara ta 1837, dansa Umar ya gaje shi. Shahararrun sarakunan biyu suna son mamaye madafun iko, har suka dinga yake yake a tsakanin Yan Kanemi da Yan Sefawa. Ibrahim yayi shirin kashe Umar ta hanyar kiran dakaru na waje daga Wadai karkashin umarnin Sarkin Musulmi . Koyaya akayi Umar ya gano shirin, kafin lokacin kuma ya kashe Ibrahim kafin ya gudu daga Bornu. Haka,aka ci gaba da kai hari kan daular Sefawa.