Yes HR issues in Family business must be studied based on different communities work and life style. in india we have ample of examples like
Tata-group(Tata steel, TCS, Tata motors)---a Parsi community
Reliance group- Gujarati
Birla Group-MArwari community
RPG group-Marwari community
Mittal- Marwari community
TVS group- South indian community
Zee group- Haryanvi
and many more