Qasriga reer Braganza wuxuu soo saaray 15 boqor oo reer Portugal ah iyo afarta boqor ee reer Brazil, haween badan oo boqortooyooyin kala duwan oo Yurub ah, sida Catherine of Braganza (xaaska Charles II ee England oo shaaha u keenay Britain) iyo Maria Isabel of Braganza (xaaska Ferdinand VII ee Spain oo aasaasay Matxafka El Prado), iyo sidoo kale mararka qaarkood musharixiinta carshiyada Poland iyo Greece, Infante Manuel, Count of Ourém iyo Pedro, Duke of Braganza, siday u kala horreeyaan, iyo tiro kale oo caan ah taariikhda Yurub iyo Ameerika. Braganzas waxaa laga tuuray carshiyadoodii Yurub iyo Ameerika qarniyadii 19aad iyo 20aad, markii Emperor Pedro II laga tuuray Brazil, 1889, iyo markii King Manuel II laga tuuray Portugal
Sanadkii 1910