Sigismund na Luxembourg ya auri Sarauniya Maryamu ta Hungary a 1385 kuma an nada shi Sarkin Hungary jim kadan bayan haka.Ya yi yaƙi don maidowa da kuma kula da mulki a kan karagar mulki.Maryamu ta mutu a shekara ta 1395, ta bar Sigismund mai mulkin Hungary.A cikin 1396, Sigismund ya jagoranci Crusade na Nicopolis, amma daular Ottoman ta ci nasara sosai.Bayan haka, ya kafa Order of Dragon don yaƙar Turkawa kuma ya tabbatar da kursiyin Croatia, Jamus da Bohemia.Sigismund yana daya daga cikin sojojin da ke bayan Majalisar Constance (1414-1418) wanda ya kawo karshen Papal Schism, amma wanda ya haifar da yakin Hussite wanda ya mamaye lokacin rayuwarsa.A cikin 1433, Sigismund ya zama Sarkin Roma Mai Tsarki kuma ya yi mulki har zuwa mutuwarsa a 1437.Masanin tarihi Thomas Brady Jr. ya bayyana cewa Sigismund "ya mallaki sararin hangen nesa da kuma girman da ba a gani ba a cikin wani sarki na Jamus tun karni na goma sha uku".Ya fahimci bukatar aiwatar da gyare-gyare na Daular da Coci a lokaci guda.Amma matsalolin waje, kurakuran da suka haifar da kai da kuma bacewar layin maza na Luxembourg ya sa wannan hangen nesa bai cika ba.