Mezue ahịrịokwu na-esonụ: William Frederick, nwa nke onye ikpeazụ na-achị steeti, laghachiri Netherlands na 1813 ma kpọsaa onwe ya Eze Ukwu nke Netherlands. Afọ abụọ ka e mesịrị, Nzukọ Vienna gbakwunyere ndịda Netherlands n'ebe ugwu iji mepụta mba siri ike n'ókè ebe ugwu France. William Frederick mere ka United Netherlands a ghọọ alaeze ma kpọwazie onwe ya Eze William nke Mbụ n'afọ 1815. Tụkwasị na nke ahụ, William ghọrọ Onyeisi Duke Ukwu nke Luxembourg n'ihi ihe ndị o nwere na Germany. Otú ọ dị, ndịda Netherlands dị iche na ọdịbendị site n'ebe ugwu kemgbe 1581, na
ha nupụụrụ ya isi. Ndịda nwetara nnwere onwe na 1830 dị ka Belgium (nke Northern Netherlands ghọtara na 1839 ka e kere Alaeze nke Netherlands site na iwu), ebe njikọ nke onwe dị n'etiti Luxembourg na Netherlands kwụsịrị na 1890, mgbe William III nwụrụ na-enweghị ụmụ nwoke na-adị ndụ. Iwu ndị dị n'ọkwá na-egbochi ada ya bụ Queen Wilhelmina ịghọ Onyeisi Duchess na-esote.