Which king, who reassumed the throne upon his son's death, had in his service the Flemish-born military engineer George Prosper Verboom?
Philip V of Spain Philip V (Spanish: "Felipe V" , French: "Philippe" , Italian: "Filippo" ; 19 December 1683 – 9 July 1746) was King of Spain from 1 November 1700 to 15 January 1724, when he abdicated in favour of his son Louis, and from 6 September 1724, when he reassumed the throne upon his son's death, to his own death 9 July 1746.
Louis, Count of Vermandois Louis de Bourbon, "Légitimé de France", Count of Vermandois (2 October 1667– Flanders, 18 November 1683) was the eldest surviving son of Louis XIV of France and his mistress Louise de La Vallière.