The Dutch royal family had to apologise last month when they invited 21 people to celebrate the 18th birthday of future queen Princess Amalia when only four were allowed.
It was one of a string of Covid faux pas committed by the House of Orange with King Willem-Alexander repeatedly breaking social distancing rules by shaking hands and the family going on holiday to Greece during a partial lockdown.
Polish Prime Minister Mateusz Morawiecki apologised in May 2020 after posing for official photographs with staff in a restaurant when his own advice to others was to dine out only with close family.
European trade commissioner Phil Hogan was forced to resign in August 2020 along with two senior Irish politicians after they attended a parliamentary golf gala dinner for 80 when only six people were allowed to meet indoors.
The head of the country's tourism board Catherine Martin was also forced to quit after going for a break in Italy when people were being told to holiday at home.