Solutions Group of three has 5 entries with similar clues
- brady'70s blended TV family in a "bunch" that consists of three daughters and three sons
- chordA group of three or more notes sounded together in harmony
- trilogyA group of three related novels, plays, or films
- triangleA plane figure with three straight sides and three angles
- triumvirateA group of three people ruling an organisation, country, etc.