The United Kingdom of the Netherlands ( 1815 -- 1839 ) ( , ) was the Kingdom of the Netherlands ( , ) during the period after it was first created from part of the First French Empire and before the new Kingdom of Belgium split off from it in 1830 .
The United Kingdom of the Netherlands ( 1815 -- 1839 ) is the unofficial name used for the Kingdom of the Netherlands . This was after it was first made from part of the First French Empire and before the new Kingdom of Belgium split off from it in 1830 .