Your FSA ID is used to confirm your identity when accessing your financial aid information and electronically signing your federal student aid documents. If you want to create an FSA ID now, go for it!
The British Royal Family changed their last name from Saxe-Coburg-Gotha to Windsor in 1917. So Her Majesty's last name is Windsor. Windsor. Some of her family are entitled to use the name Mountbatten Windsor which was authorised by an order in council in 1960.
His Royal Highness Prince Philip is the oldest living member of the Royal Family. Prince Philip, the Queen's husband who's 87, but the Queen is 82. Her Senile Highness Princess Agatha the Aged, who was born in 1752. She is rarely seen these days. Unless we count the Monster of Glamis, Prince Philip, now 87.