Following his conquest of most of Western Europe , Napoleon I made his elder brother Joseph ( 1768-1844 ) king first of Naples ( 1806-1808 ) and then of Spain ( 1808-1813 ) , his third brother Louis ( 1778-1846 ) King of Holland ( 1806-1810 ) ( subsequently forcing his abdication after his failure to subordinate Dutch interests to those of France ) and his youngest brother Jérôme Bonaparte ( 1784-1860 ) King of Westphalia , the short-lived realm created from some of the states of northwestern Germany ( 1807-1813 ) .
He then made his elder brother Joseph ( 1768-1844 ) king of Naples ( 1806-1808 ) and then of Spain ( 1808-1813 ) , his third brother Louis , king of Holland ( 1806-1810 ) , and his youngest brother Jerome Bonaparte , king of Westphalia ( 1807-1813 ) .