Complex sentence: Accordingly, he became "ilma gosa" or the "adopted son" of the Warra Qallu sub-group within the Ittu Oromo division of the Eastern Oromo, and on his adoption ceremony, the Oromos named him "Usso".
Split into simpler sentences: Accordingly, he became "ilma gosa" or the "adopted son" of the Warra Qallu sub-group within the Ittu Oromo division of the Eastern Oromo. It is said that at his adoption ceremony, the Oromos named him "Usso".