Selling a house to a family member involves a network of entities with varying closeness scores (8-10). Primary entities (closeness score 10) include the seller, buyer, deed, and title company. Key professionals (score 9) are real estate agents, mortgage companies, escrow companies, home inspectors, county recorders, and tax assessors. Regulatory and financial entities (score 8) encompass attorneys, FHA, VA, homeowners associations, appraisal companies, and title insurance companies. Understanding their roles and responsibilities is crucial for a successful transaction.