Your grandmother isn’t proof enough. Most Somalis that live in the Arab world till this day and actually have the passports are usually Reer Isaaq and Dhulbahante and MJs. MJs and Dhulbahante literally live in Salaala in Oman as natives and I’m someone who has travelled to every Khaleeji country and lived in two. Most of the Somalis that have had a very long presence to such as extend they have passports due to living there Pre-1960s are all Northern Somalis, who are Isaaq, MJ especially in Oman and Dhulbahante and some Warsengelis. This isn’t even up for debate as historical books attest to this and even if you look at Arab Khaleeji countries in todays modern world. It’s Northerners with the strong presence with passports and I’ve met a few with passports. All Isaaq and Northern Darood.You lack reading comprehension. I acknowledge your first assertion about the Reer Isaaq presence in Aden. That point is plausible due to geographical proximity and the strong trade ties between both coastal towns. My main issue with you is your false assertion that Somali merchants of Isaaq and Darood ancestry were the majority in Aden. That is not the case. My grandmother was raised in Aden for most of her childhood. There was a strong presence of the Bandairi community in Yemen, particularly Sanaa and Aden. Benadiris did identify as Somali when inquired about their country of origin and nationality by Yemenis. There was a strong presence of the Ashraf clan in Aden.