Complex sentence: Master Cheng-Peng-Weing taught Manuel Agrella leaving him as his sole heir, who has come to found Jook Lum Tong Leong Kuo Shu Kwan.
Split into simpler sentences: Master Cheng-Peng-Weing taught Manuel Agrella and left him as sole heir. Grandmaster Agrella has since formed Jook Lum Tong Leong Kuo Shu Kwan.