Whakakī i te rerenga e whai ake nei: Kāore a Lebeau i whai kia wehewehea a Netherlands me Belgium, engari i whakatikatikahia tōna ringa e te
Te Huringa o Akuhata o te tau 1830. I tukuna ia e tana rohe taketake ki te National Congress, a ka noho hei minita mo nga mahi a iwi ke i te Poutu-te-rangi 1831 i te wa o te mana whakahaere a Érasme-Louis Surlet de Chokier. Na roto i te tono i te pooti a Leopold o Saxe-Coburg hei "Kingi o nga Belgian" i whakawhiwhia e ia he ahua atawhai i te taha o te United Kingdom, engari ko te whakahoki mai ki te Netherlands o tetahi waahanga o nga duchies o Limburg me Luxembourg i whakaoho i te whakahee kaha ki te Tiriti o Ranana 1839, a i whakapaehia a Lebeau mo te tinihanga ki nga paanga o Belgian.