Princess Eugenie's father-in-law, George Brooksbank, has been hospitalised in an intensive care unit after contracting the deadly Coronavirus.
The 71-year-old was admitted to the hospital over the weekend, with his wife Nicola, aged 66, also contracting the illness.
According to a report from the Daily Mail, George is in a "serious, but stable" condition has he fights the illness from hospital.
It is understood Nicola is recovering at home.
A source told the publication: "It's a traumatic time for Jack and Eugenie, George has been very sick but the whole family has been rallying round to help."
The source, cited as a "friend" by the publication, said both Jack and Eugenie "are hugely grateful for the excellent care that he has been receiving."
"They are thinking of all the other families who are being similarly affected at this time," they added.
Jack's parents aren't the only ones from the affluent circle to contract the illness.
In March, it was revealed Prince Charles had also tested positive for the virus, sparking panic among the 71-year-old's fanbase.
Thankfully, the Palace issued a statement about a week later confirming that the Prince had been given the all-clear to come out of self-isolation - a positive sign that he was making a full recovery.
WATCH: Prince Charles talks about his experience with coronavirus in a rare home video. Story continues...
Another in the royal fold to contract the virus was Prince Albert of Monaco, who has also since recovered.
The virus is known to spread quite easily from person to person, with the world rife with outbreaks in various pockets, often sparked by an overseas traveller.
With members of the royal family and their outer circle known for travelling often and attending events with large numbers of people, it seems that their likelihood of contracting the virus has only increased.
Eugenie's mother-and-father-in-law were seen beaming at Eugenie and their son Jack's wedding day back in October 2018 - long before the pandemic had begun.
There's no doubt Eugenie, who has been actively helping NHS workers and volunteers on the frontline by delivering them food and other necessities, will be concerned for her in-laws during such an unsettling period.
Our thoughts are with the family, and all of those with loved ones suffering from the virus at this time.