I muri i te hinganga o Napoleon i te tau 1813-15, ka hangaia he "Motu o te United Kingdom of the Netherlands" me te Whare o Orange hei rangatira, e whakahaere ana hoki i Belgium me Luxembourg. I whakahaua e te Kingi ngā whakarerekētanga Porotetani kāore i tino manakohia ki Belgium, i whakakeke ai i te tau 1830
I noho motuhake a ia i te tau 1839. I muri i te wa o te manawanui i te timatanga, whai muri i te whakauru mai o te kaupapa ture 1848, ka noho te whenua hei manapori paremata me te kingi ture. I noho motuhake a Luxembourg o enei ra mai i te Netherlands i te 1839, engari i noho tonu te uniana whaiaro tae noa ki te 1890. Mai i te 1890, e whakahaeretia ana e tetahi atu peka o te Whare o Nassau.