 Zoungrana and Pouitenga had a son, Oubri, who further expanded the kingdom by conquering the Kibissi and some Gurunsi tribes.Oubri, who ruled from around 1050 until 1090 CE, is often considered the founder of the Ouagadougou dynasty which ruled from the capital of Ouagadougou.Following Oubri, centralization and small-scale expansion of the kingdoms were the primary tasks.