Nguyễn Trường Tộ
Nguyễn Trường Tộ ( chữ Hán: , ; 1830–1871 ) was a Roman Catholic scholar and reformer during the reign of Tự Đức of the Nguyễn Dynasty , the last sovereign Emperor of Vietnam under which the French colonial forces colonized the country . 
<triplet> Tự Đức <subj> Nguyễn Dynasty <obj> family