Related Clues:

• Herring relatives
• Viewpoints of the obtuse, perhaps?
• eg, Right, acute, obtuse
• Points of view put by old Germans
• Points of view that may be right
• The viewpoints of some of our ancestors
• Some herrings
• Hidden agendas
• Fish held on board ship
• Trigonometry focus
• Square's foursome
• Ways of approaching old Germanic tribespeople
• Protractor's measures
• Sardine cousins
• Germanic folk? They could be obtuse