The so-called Shewan history belongs to Tigray, Tigreshewans are an offshoot of Axumites, 100% Tigreans to this day.
Amharay is never Shewan. Amharay is never Axumite. Amharay is a non-semitic, vey small and isolated tribe, that lived in remote mountainous villages in today's in and around Gayinit(ga'y-In-It), next to Gafat(or Gahfat- meaning, kiftaff;which was located near Debretabor)