Which king, who reassumed the throne upon his son's death, had in his service the Flemish-born military engineer George Prosper Verboom?
Marquis of Verboom George Prosper Verboom, also known as Jorge Próspero de Verboom (9 January 1665 in Brussels – 19 January 1744 in Barcelona, Spain), was a Flemish-born military engineer in the service of the King of Spain. On 9 January 1727, King Philip V of Spain granted him the title of Marquis of Verboom.
Miguel I of Portugal "Dom" Miguel I (] ; English: "Michael I"; 26 October 1802 – 14 November 1866), "the Absolutist" (Portuguese: ""o Absolutista"" ) or "the Traditionalist" (Portuguese: ""o Tradicionalista"" ), was the King of Portugal between 1828 and 1834, the seventh child and third son of King João VI (John VI) and his queen, Carlota Joaquina of Spain.