Os·man I 
(ŏzmən, ŏs-, ŏs-män) also Oth·man I (ŏthmən, th-män) 1258-1326?
(ŏzmən, ŏs-, ŏs-män) also Oth·man I (ŏthmən, th-män) 1258-1326? Founder of the Ottoman dynasty that ruled Turkey after the 13th century. He controlled most of northwest Asia Minor.
Osman I