Abdullahi dan Fodio, brother of Usman dan Fodio, was a leading scholar of the jihad movement and the first Emir of Gwandu. Born in 1766/67, he died in 1245 AH (1829; some sources give 1828). He is buried at Gwandu, Kebbi State, in the tomb known as Hubbare Abdullahi. (Sources: Wikipedia 'Abdullahi dan Fodio'; nigeriagalleria.com 'Abdullahi Fodio Tomb')