Possible Clues:

• Real grand, as a rule
• Form of tennis is followed by millions in this region
• Actually, it takes a thousand more for the kingdom
• True, a number are in the area
• As a rule, this is genuinely grand
• Field (of activity)
• Authentic mark of monarch's responsibility
• Empire - state
• With help of a ruler one can make a thousand, actually
• Lancaster's blessed plot