Osman I or Osman Ghazi was the eponymous founder of the Ottoman Empire. While initially a small Turkoman principality during Osman's lifetime, his beylik transformed into a vast empire in the centurie
An Ottoman miniature depicting Osman I, c. 1580
16th-century depiction of Otomano P[rim]o (Osman I) by Paolo Veronese
Ertuğrul's türbe (tomb) in Söğüt
Ertuğrul or Ertuğrul Ghazi was a 13th-century uch bey, who was the father of Osman I. Little is known about Ertuğrul's life. According to Ottoman tradition, he was the son of Suleyman Shah, the leader
Ertuğrul depicted in 17th-century Ottoman miniature book Sübhatü’l-ahbâr
1616 depiction of Ertuğrul at court, from Tadj al-Tawarikh