Depending on what side you lie on, many siblings will be able to relate to the familial spat between Princes Harry and William.
Since the publication of his memoir Spare, Harry has made several allegations of poor treatment from members of the royal family, among them older brother William.
It's natural for siblings to fight, but this is seen more in a younger age. Tensions can often arise due to a number of factors, whether it be down to opinions, personalities or where you come in the family line.