 Shammar yakava imwe yemadzinza ane simba zvikuru eIraq, yaive neminda mikuru uye yakapa rutsigiro rwakasimba kuumambo hweHashemite. Simba reShammar rakatyisidzirwa mushure mekuparadzwa kwehumambo muna 1958 naAbdul-Karim Qassem, uye Shammar yakagamuchira hutongi hweBaathist. Pashure pokubviswa kwaSaddam Hussein, Ghazi al-Yawar, anobva mumhuri yeAl Jarbah, akasarudzwa pamwe chete semutungamiri wenguva pfupi. Sekuru vaAl-Yawar ndivo Sheikh wemaSheikhs aShammar. 