Danqaalo/dankale/ dir is not a direct descdeant of dir, but they are both from AJI.
AJI
then Dir and Dankale as siblings.
In the past MIDGAAN PEOPLE used to refer as anyone not from midgaan ( hawiye something) as AJI, lol

there is also a famous somali saying that goes "aji iyo ajuraan" indicating the two noble clans, aji of the north and ajuraan of the south.
Have you heard of the original and oldest somali law and legal system? It was called Xeer Aji
original somali CULTURE and the oldest is called DHAQAN AJI ( Culture of Aji)
Dir is the least known about on your site, and i will educate the masses of what is missing when i feel like it
