Related Clues:

• Old Persians
• Bob Cousy's team, for short
• Boston team, in brief
• Gaels, etc.
• Ancient Britons
• Bretons, e.g.
• Occupiers of Britain and Spain in pre-Roman times
• Iranians of old
• Invaders conquered by Caesar
• Irish of old
• Early Britishers
• Cyrus the Great defeated them
• Ancient Persians
• Boston team, for short
• Irish and Welsh