Errembault served as Minister of the King of the Belgians to the Ottoman Empire and to the Kingdom of Greece from 1861 to 1867, and to the Russian Empire from 1867 until his death. On 10 October 1861 he signed a commercial treaty between the Kingdom of Belgium and the Sublime Porte.Recueil des lois et arrêtés royaux de Belgique, vol. 49 (Brussels, Imprimerie du Moniteur Belge, 1862), pp. 27-35. On Google Books.
