Sum Jee｜A Key Inheritor of the Sum Nung Lineage

Sum Jee was a major inheritor of the Sum Nung Wing Chun lineage and played a crucial role in the development of Guangzhou Wing Chun. His early training in Hung Gar provided a strong foundation in structure and power; later, under the guidance of his uncle and teacher Sum Nung, he refined his Wing Chun into a system that was precise, direct, and highly practical. Through this unique blend of internal and external training, Sum Jee preserved the original essence of Wing Chun with exceptional rigor, leaving a lasting influence on future generations.

Photo of Sum Jee

Biography

Sum Jee, courtesy name Taai‑Cheung and also known as “Old Jee,” was born in 1920 in Yan Wo Village, Nanhai County, Foshan, Guangdong. At age fourteen, he became an apprentice at a safe‑manufacturing workshop on Taiping Road in Guangzhou, later working as a blacksmith in a metal workshop on Danan Road, Shiqiao. In the early 1940s, through the introduction of herbal doctor Wong Sui‑Wah, he became a student of Hung Gar master Lee King‑Sang (Lee Leung), laying a solid foundation in external martial arts.

Wing Chun Lineage

In 1947, Sum Jee formally became a disciple of Wing Chun master Sum Nung. Their relationship was both familial (uncle and nephew) and deeply bonded as teacher and student. Sum Nung taught him the complete system, including:

  • Siu Nim Tau (小練頭)
  • Cham Kiu (沉橋)
  • Biu Jee (標指)
  • Wooden Dummy (木人樁)
  • Six‑and‑a‑Half Point Pole (六點半棍)
  • Double Knives (二字拑陽刀)

Through relentless practice—often training through the night—Sum Jee quickly mastered the core principles of Wing Chun, including Chi Sau, short‑bridge sticking, borrowing and redirecting force, tactile sensitivity, and angle manipulation.

Technical Characteristics

Sum Jee’s martial expression blended Wing Chun with elements of external styles. His early Hung Gar training led him to incorporate drills such as:

  • Lan Sau–Chung Chui (Block and Punch) (攔手冲搥)
  • Kneeling‑Stance Power Drills (跪馬耕打)

These methods helped students understand Wing Chun’s responses under pressure, forming the distinctive technical identity of the Sum Jee branch.

Teaching and Transmission

Beginning in 1956, Sum Jee taught in Luk Ka Lane on Haopan Street, Guangzhou, later relocating to No. 137 Haopan Street in 1960. His teaching emphasized:

  • Fundamental structure
  • Progressive training through forms
  • Chi Sau and practical application
  • Weapons training
  • A formal evaluation system

Students were required to pass evaluations before formally becoming disciples, preserving traditional Wing Chun standards.

Historical Significance

Sum Jee holds an important place in the history of Guangzhou Wing Chun. As a principal inheritor of the Sum Nung lineage, he played a key role in sustaining and developing Wing Chun within Guangzhou. His descendants and students later brought the Sum Jee branch to Hong Kong and overseas, extending its influence across regions and generations.



Timeline

1920 — Birth

Born in Yan Wo Village, Nanhai County, Foshan, Guangdong, into a farming family.

1940s — Hung Gar Foundation

Introduced by herbal doctor Wong Sui‑Wah to Hung Gar master Lee King‑Sang, establishing a strong external‑style base.

1947 — Becomes Disciple of Sum Nung

Formally studies Wing Chun under Sum Nung, learning the complete system including forms, wooden dummy, pole, and knives.

1956 — Opens School

Begins teaching in Luk Ka Lane, Haopan Street, later moving to No. 137 Haopan Street in 1960, with many students under his tutelage.