Question: Which king, who reassumed the throne upon his son's death, had in his service the Flemish-born military engineer George Prosper Verboom?
Sentence (from "Ha' K'in Xook"): Ha' K'in Xook's reign seems to have ended either with his death or his abdication in favor of his brother K'inich Yat Ahk II; archaeologists and Mayanists have not come to a clear consensus on this.
Relevant evidence: No