According to Wikipedia, family room usually informal, and seem relax. But in this family room, it looks formal, but also accommodate family member. Formal impression can be created from furniture chosen.
 
Framework, arm, and sofa back made from wood with distinct lines. Wooden domination at sofa indeed makes it stiff. Because of that, to appear relaxing [...]

Want unique stairs area? Get inspiration of this home design by placing big aquarium. Architect, Frank Gehry said,” I approach each building as a sculptural object, a spatial container, a space with light and air, a response to context and appropriateness of feeling and spirit. To this container, this sculpture, the user brings his baggage, [...]