When it comes to the British Royal Family, there are only a select few names who make the news on a daily basis. However, the Queen does have many royal relatives and aside from four children, she has eight grandchildren, as well as seven (going to be eight) great grandchildren. 

The Queen also has all of her cousins most of whom have a royal status as well. There is a fraction of the extended family which tends to be forgotten or overlooked, an example of this being Prince William and Prince Harry's step-sister whose name is Laura Lopes. Though the name may not be that familiar, she has definitely been around for a while and is the daughter of the Duchess of Cornwall and Andrew Bowles Parker. 

Lopes chooses to keep a low profile and according to OK! magazine, she got married to a chartered accountant Harry Lopes in 2006. Prince William and Kate Middleton were present at the wedding which took place in Wiltshire along with 400-500 other guests, showing that she is pretty popular.

Harry and Laura Lopes also have a 10-year-old daughter whose name is Eliza and was one of the flower girls at William and Kate's wedding.

The couple also has twin boys Louis and Gus whom Laura gave birth to in 2009. Laura herself was a bridesmaid to Kate Middleton when she got married to Prince William in April 2011.

However, according to a royal biographer, Prince William used to have "terrible fights" with Laura when they were children. As reported by the Mirror, Katie Nicholl shared, "William and Laura used to have terrible fights over who was to blame for their broken homes."

Nicholl added, "William would blame Camilla for all the hurt she had caused his mother, which would send Laura into a rage. Laura was not having any of it. She would take a hard line and fire back at William 'your father has ruined my life." She also shared how Laura, as well as her brother Tom, used to be "teased mercilessly" at school about their mother's relationship with Prince Charles. Prince Charles married Camilla in 2005, eight years after his former wife Princess Diana tragically died in a car accident.

"When Charles telephoned Camilla at the family home in Wiltshire, Laura would pick up an extension and shout down the receiver 'why don’t you stop calling mummy and leave our family alone.' She couldn’t care less that it was the Prince of Wales, she blamed him for breaking up her parents’ marriage and was not afraid to tell William so," Katie revealed.

As time passed, William, Laura, and Tom began to form much stronger relationships. The Duke of Cambridge Prince William is fond of his stepmother Camilla and he and Prince Harry have spoken of their admiration for Camilla.