No members of the British Royal family are openly gay.

The full form of HRH is His Royal Highness or Her Royal Highness. It is a term reserved for members of the British royal family.

British peers were the male members of the British Royal Family that relinquished ties to German titles and adopted English surnames. During World War 1, approximately 15 members of the British Royal Family were killed during WWI.

An Equerry - an officer of the British Royal Household who attends the soveriegn and other members of the Royal Family

The British Royal Family are more of a 'Tourist Attraction', people from, say, American love seeing HM the Queen, because of the History. Almost all Royal Family members are supreme in the British Army, for instance, HM the Queen, is the Chief Commander. The Queen is Head of State, making her the boss basically and although she remains politically neutral, the British Government is "hers", hence the name HM Government.