Iyasu II or Joshua II (Ge'ez ኢያሱ, born 21 October 1723) was "Emperor of Ethiopiathrone name Alem Sagad, Ge'ez ዓለም ሰገድ ʿAläm Sägäd, "to whom the world bows") (19 September 1730 - 27 June 1755) of Ethiopia, and a member of the Gondar branch of Solomonic dynasty. He was the son of Emperor Bakaffa and Empress Mentewab (also known by her Baptismal name of Welete Giyorgis). Wikipedia
The definitive Wikipedia entry for Iyasu II of Ethiopia. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Iyasu_II_of_Ethiopia