Primary

• Netherlands Older Brother of Belgium
• Netherlands Older Brother of Luxembourg
• Netherlands Enemy of Spain
• Netherlands Friend of Japan

Extended

• Japan Friend of Italy Veneziano
• Japan Friend of Germany
• Japan Friend of Netherlands
• Japan Friend of Greece
• Japan Friend of England
• Japan Friend of Turkey
• Japan Younger Brother of China
• Belgium Younger Sister of Netherlands
• Belgium Older Sister of Luxembourg
• Luxembourg Younger Brother of Belgium
• Luxembourg Younger Brother of Netherlands