Complex sentence: To signify his victory over a clan, he would sleep in the conquered leader's home; tradition says that Buganda was the name of the first house that he slept in after his victory over Bemba and his tribe.
Split into simpler sentences: To signify his victory over a clan, he would sleep in the conquered leader's home. Tradition says that Buganda was the name of the first house that he slept in after his victory over Bemba and his tribe.