Very little is known about Do-Aklin and most of it is connected to folklore, but it is generally claimed that he settled a large group of Aja people from Allada on the Abomey plateau amongst the local inhabitants in c. 1620.
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The agreement was reached at Houégbo that Teagbanlin would found a state at what is now Porto-Novo, another son would take control in Allada, and Do-Aklin would settle on the Abomey plateau to the north.
Oral tradition contends that Do-Aklin moved from Allada to the Abomey plateau, Dakodonu created the first settlement and founded the kingdom (but is often considered a "mere chief"), and Houegbadja who settled the kingdom, built the palace and created much of the structure is often considered the first king of Dahomey.