Zar'a Ya`qob or Zara Yaqob (Ge'ez: ዘርዐ ፡ ያዕቆብ zar'ā yāʿiqōb, "Descendant of Jacob"; 1399 – 26 August 1468) was the Emperor of Ethiopia, and a member of the Solomonic dynasty who ruled under the regnal name Kwestantinos I (Ge'ez: ቈስጠንጢኖስ qʷastāntīnōs) or Constantine I, from the old province of Shewa, where the capital of the Amhara emperors was located before the post-16th-century Oromo migrations and the destructive war with Ahmad Gran. Born at Telq in the province of Fatajar (now part of the Amhara Region, near the Awash River), Zara Yaqob was the youngest son of Dawit I and his youngest wife, Igzi Kebra.