sentences:  Seydi Ali Reis was born in the Galata across the Golden Horn from Constantinople as the son of a Turkish family which had its origins in Sinop on the Black Sea coast of Turkey.His grandfather was the "Tersâne Kethüdâsı" (Commander of the Ottoman Imperial Naval Arsenal) during the reign of Sultan Mehmed II, while his father, Hüseyin Reis, was the "Kethüdâ" (Commander) of the "Bahriye Dârü's-Sınaası" (Naval Industries Center) in Galata, at the northern shore of the Golden Horn.His father's career as a high-ranking seaman and naval engineer had an important influence on the future of Seydi Ali, who, at a young age, started working at the naval arsenal.