Trương Văn Đa
Hiến was also the teacher of the Tây Sơn brothers ( Nguyễn Nhạc , Nguyễn Lữ and Nguyễn Huệ ) , and encouraged them to revolt against Nguyễn lords . 
<triplet> Nguyễn Nhạc <subj> Nguyễn Lữ <obj> sibling <subj> Nguyễn Huệ <obj> sibling <triplet> Nguyễn Lữ <subj> Nguyễn Nhạc <obj> sibling <subj> Nguyễn Huệ <obj> sibling <triplet> Nguyễn Huệ <subj> Nguyễn Nhạc <obj> sibling <subj> Nguyễn Lữ <obj> sibling