to mediate the conflicts, he reversed British stance on the situation, favoring Chulalongkorn and forcing Wichaichan to accept humiliating terms instead. Fanny Knox, daughter of Thomas Knox, married her lover Phra Pricha Konlakarn, a promising young Siamese nobleman, in 1878. Pricha Konlakarn and his father, Mot Amatyakul, had been by the king's side in political opposition against Si Suriyawong. By marrying to Pricha Konlakarn, Fanny Knox crossed factional division line and upset Si Suriyawong who intended to marry one of Bunnag gentlemen to her to cement alliance with consul Knox. Pricha's marriage drew ire from Siamese elite society as marrying Westerner was frowned upon at the time and required king's consent. Pricha Konlakarn had overseen a royal gold mine project. However, his abuses led to deaths of his workers. Local workers filed the case against Pricha Konlakarn with embezzlement and murder. Si Suriyawong, out of political motives, pushed for death penalty of Pricha as corruption on royal revenue was punishable by death. Thomas Knox, in desperate attempt to save Pricha Konlakarn for the sake of his daughter, brought British gunboat Foxhound to Bangkok to force the release of his son-in-law. Despite Knox's interjection, Pricha Konlakarn was sentenced to death and executed in November 1879. Thomas Knox, after his fourteen years of tenure, was relieved of his consul position in 1879 for his improper exercise of power and the Knox family left Siam. These incidents prompted King Chulalongkorn to sent a mission to London in 1880 to explain the incident. France Franco-Siamese relations terminated after Siamese revolution of 1688 in Ayutthaya Period. The French maintained low-level presence in Siam through French missionary works. In 1856, Charles de Montigny arrived in Bangkok, with the aid of Jean-Baptiste Pallegoix the vicar apostolic of Siam, to conclude Franco-Siamese Treaty of 1856 that, in similar manner to British Bowring Treaty, granted low tariff and extraterritoriality to the French. Comte de Castelnau became the first French consul in Bangkok. King Mongkut sent a mission led by Phraya Siphiphat (Phae Bunnag) to Paris in 1861, where they had audience with Emperor Napoleon III. After the French had acquired Cochinchina in 1862, they took over Vietnam's position in competing against Siam and were proved to be expansionist colonial power. Earlier in 1860, King Ang Duong of Cambodia had died, resulting in civil war between Norodom and his brother Si Votha. Pierre-Paul de La Grandière the governor of French