Royal family loses yet another top staff member as Kate Middleton's private secretary resigns

The royal family is losing yet another top staffer as rumors of internal family turmoil continue to mount.

The Duchess of Cambridge's personal secretary, Catherine Quinn, has decided to leave her post after two years on the job, according to the Daily Mail. The role is essentially comparable to being a chief of staff for the future queen: Her responsibilities included "everything from organizing Kate's [schedule] to accompanying her on engagements."

Quinn, a graduate of the University of Oxford, is reportedly leaving of her own accord, which the Daily Mail calls an "unusual" decision: The highly-coveted (and highly-paid) position "is considered a plum one, and private secretaries can often stay in the role for a decade or more."

The news comes just shy of a year since Meghan Markle lost her own personal secretary, Samantha Cohen, who confirmed she'd be leaving her post in December 2018. (That announcement was made weeks after Meghan's personal assistant, Melissa Touabti, resigned.)

PHOTOS: Kate Middleton's most gorgeous red carpet moments

18 PHOTOS
Kate Middleton's most gorgeous red carpet moments
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Kate Middleton's most gorgeous red carpet moments

2011

At the premiere of War Horse in Alice Temperley

2011

At the BAFTA Brits to Watch event in Alexander McQueen

2011

At the 10th annual ARK (Absolute Return for Kids) Gala Dinner, at Kensington Palace in Jenny Packham

2011

At a fundraising gala organized by 100 Women in Hedge Funds in Beulah

2011

At a dinner reception at St James' Palace in Jenny Packham

2011

Attending an event at the Imperial War Museum in Alexander McQueen

2012

Arriving for a dinner at Claridge's in Roland Mouret

2012

Arriving at a gala celebration for the Olympic concert in Jenny Packham

2013

Arriving at the inaugural Tusk Conservation Awards in Jenny Packham

2013

Attending the performance of 'Mandela: Long Walk to Freedom' at Odeon Leicester Square in Roland Mouret

2014

Attending The Portrait Gala 2014: Collecting To Inspire at National Portrait Gallery in Jenny Packham

2015

At the premiere of "Spectre" at the Royal Albert Hall in Jenny Packham

2016

Arriving for a Bollywood Inspired Charity Gala at the Taj Mahal Palace Hotel in Jenny Packham

2016

At the UK Premiere of "A Street Cat Named Bob" in Self Portrait

2017 

at National Portrait Gallery's Portrait Gala in Temperley London

2017

At the 70th EE British Academy Film Awards in London in Alexander McQueen

2018

At the 2018 BAFTAs while pregnant with Prince Louis, wearing Jenny Packham

2019

At the 2019 BAFTAs in Alexander McQueen

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Quinn was heavily involved in the Duchess' philanthropy agenda, and she plans to increase her involvement in charitable work upon leaving her job after Christmas.

The personnel change marks the latest in a string of shake-ups behind royal walls. 

In October, news emerged that one of Kate's longtime staffers was allegedly a casualty of fractures within the family. The royal aide, Sophie Agnew, had worked for the Duchess of Cambridge for seven years before suddenly getting laid off — allegedly as a direct result of the growing separation between the Cambridges and the Sussexes.

"Her role has been made redundant as a results of the split of the two households," a senior-level source confirmed to the Daily Mail, adding, "She will not be replaced."

Meghan, the Duchess of Sussex, has also seen several employees disappear in the year and a half since she joined the royal family. Back in March, her assistant private secretary, Amy Pickerill, left her post, becoming the fourth of Meghan's staffers to call it quits. Her staff situation has seemingly stabilized since she gave birth earlier this year.

25 PHOTOS
Meghan Markle steps out for Field of Remembrance
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Meghan Markle steps out for Field of Remembrance
LONDON, ENGLAND - NOVEMBER 07: Meghan, Duchess of Sussex attends the 91st Field of Remembrance at Westminster Abbey on November 7, 2019 in London, England. (Photo by Kirsty Wigglesworth - WPA Pool/Getty Images)
LONDON, ENGLAND - NOVEMBER 07: Meghan, Duchess of Sussex and Prince Harry, Duke of Sussex attend the 91st Field of Remembrance at Westminster Abbey on November 07, 2019 in London, England. (Photo by Chris Jackson/Getty Images)
LONDON, ENGLAND - NOVEMBER 07: Meghan, Duchess of Sussex attends the 91st Field of Remembrance at Westminster Abbey on November 7, 2019 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - NOVEMBER 07: Meghan, Duchess of Sussex and Prince Harry, Duke of Sussex attend the 91st Field of Remembrance at Westminster Abbey on November 7, 2019 in London, England. (Photo by Kirsty Wigglesworth - WPA Pool/Getty Images)
Meghan, Duchess of Sussex (L) visits the Field of Remembrance at Westminster Abbey in central London on November 7, 2019. - The Field of Remembrance is organised by The Poppy Factory, and has been held in the grounds of Westminster Abbey since November 1928, when only two Remembrance Tribute Crosses were planted. In the run-up to Armistice Day, many Britons wear a paper red poppy -- symbolising the poppies which grew on French and Belgian battlefields during World War I -- in their lapels. (Photo by Tolga AKMEN / AFP) (Photo by TOLGA AKMEN/AFP via Getty Images)
The Duchess of Sussex during a visit to the Field of Remembrance at Westminster Abbey in Westminster, London. (Photo by Steve Parsons/PA Images via Getty Images)
LONDON, ENGLAND - NOVEMBER 07: Meghan, Duchess of Sussex attends the 91st Field of Remembrance at Westminster Abbey on November 07, 2019 in London, England. (Photo by Chris Jackson/Getty Images)
LONDON, ENGLAND - NOVEMBER 07: Meghan, Duchess of Sussex meets a veteran as she attends the 91st Field of Remembrance at Westminster Abbey on November 7, 2019 in London, England. (Photo by Kirsty Wigglesworth - WPA Pool/Getty Images)
LONDON, ENGLAND - NOVEMBER 07: Meghan, Duchess of Sussex attends the 91st Field of Remembrance at Westminster Abbey on November 07, 2019 in London, England. (Photo by Samir Hussein/WireImage)
LONDON, ENGLAND - NOVEMBER 07: Meghan, Duchess of Sussex and Prince Harry, Duke of Sussex attend the 91st Field of Remembrance at Westminster Abbey on November 7, 2019 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - NOVEMBER 07: Meghan, Duchess of Sussex attends the 91st Field of Remembrance at Westminster Abbey on November 7, 2019 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - NOVEMBER 07: Meghan, Duchess of Sussex attends the 91st Field of Remembrance at Westminster Abbey on November 7, 2019 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - NOVEMBER 07: Meghan, Duchess of Sussex attends the 91st Field of Remembrance at Westminster Abbey on November 07, 2019 in London, England. (Photo by Chris Jackson/Getty Images)
LONDON, UNITED KINGDOM - NOVEMBER 07: Prince Harry, Duke of Sussex meets a youngster as he attends the 91st Field of Remembrance at Westminster Abbey on November 07, 2019 in London, United Kingdom. (Photo by Kirsty Wigglesworth – WPA Pool/Getty Images)
LONDON, UNITED KINGDOM - NOVEMBER 07: Prince Harry, Duke of Sussex meets a youngster as he attends the 91st Field of Remembrance at Westminster Abbey on November 07, 2019 in London, United Kingdom. (Photo by Kirsty Wigglesworth – WPA Pool/Getty Images)
Britain's Prince Harry, Duke of Sussex and his wife Meghan, Duchess of Sussex pay their respects after laying a Cross of Remembrance in front of wooden crosses from the Graves of Unknown British Soldiers from the First and Second World Wars, during their visit to the Field of Remembrance at Westminster Abbey in central London on November 7, 2019. - The Field of Remembrance is organised by The Poppy Factory, and has been held in the grounds of Westminster Abbey since November 1928, when only two Remembrance Tribute Crosses were planted. In the run-up to Armistice Day, many Britons wear a paper red poppy -- symbolising the poppies which grew on French and Belgian battlefields during World War I -- in their lapels. (Photo by Kirsty Wigglesworth / POOL / AFP) (Photo by KIRSTY WIGGLESWORTH/POOL/AFP via Getty Images)
LONDON, ENGLAND - NOVEMBER 07: Prince Harry, Duke of Sussex attends the 91st Field of Remembrance at Westminster Abbey on November 7, 2019 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
Britain's Prince Harry, Duke of Sussex and his wife Meghan, Duchess of Sussex visit the Field of Remembrance at Westminster Abbey in central London on November 7, 2019. - The Field of Remembrance is organised by The Poppy Factory, and has been held in the grounds of Westminster Abbey since November 1928, when only two Remembrance Tribute Crosses were planted. In the run-up to Armistice Day, many Britons wear a paper red poppy -- symbolising the poppies which grew on French and Belgian battlefields during World War I -- in their lapels. (Photo by Tolga AKMEN / AFP) (Photo by TOLGA AKMEN/AFP via Getty Images)
LONDON, ENGLAND - NOVEMBER 07: Prince Harry, Duke of Sussex plants a cross carrying a personal message in memory of those who lost their lives in the service of others as he attends the 91st Field of Remembrance at Westminster Abbey on November 07, 2019 in London, England. (Photo by Chris Jackson/Getty Images)
LONDON, UNITED KINGDOM - NOVEMBER 07: Meghan, Duchess of Sussex meets a veteran as she attends the 91st Field of Remembrance at Westminster Abbey on November 07, 2019 in London, United Kingdom. (Photo by Kirsty Wigglesworth – WPA Pool/Getty Images)
Meghan, Duchess of Sussex greets veterans after paying her respects during a visit to the Field of Remembrance at Westminster Abbey in central London on November 7, 2019. - The Field of Remembrance is organised by The Poppy Factory, and has been held in the grounds of Westminster Abbey since November 1928, when only two Remembrance Tribute Crosses were planted. In the run-up to Armistice Day, many Britons wear a paper red poppy -- symbolising the poppies which grew on French and Belgian battlefields during World War I -- in their lapels. (Photo by Kirsty Wigglesworth / POOL / AFP) (Photo by KIRSTY WIGGLESWORTH/POOL/AFP via Getty Images)
Meghan, Duchess of Sussex greets veterans after paying her respects during a visit to the Field of Remembrance at Westminster Abbey in central London on November 7, 2019. - The Field of Remembrance is organised by The Poppy Factory, and has been held in the grounds of Westminster Abbey since November 1928, when only two Remembrance Tribute Crosses were planted. In the run-up to Armistice Day, many Britons wear a paper red poppy -- symbolising the poppies which grew on French and Belgian battlefields during World War I -- in their lapels. (Photo by Kirsty Wigglesworth / POOL / AFP) (Photo by KIRSTY WIGGLESWORTH/POOL/AFP via Getty Images)
LONDON, UNITED KINGDOM - NOVEMBER 07: Meghan, Duchess of Sussex meets veterans and soldiers as she attends the 91st Field of Remembrance at Westminster Abbey on November 07, 2019 in London, United Kingdom. (Photo by Kirsty Wigglesworth – WPA Pool/Getty Images)
LONDON, ENGLAND - NOVEMBER 07: Meghan, Duchess of Sussex meets veterans and soldiers as she attends the 91st Field of Remembrance at Westminster Abbey on November 7, 2019 in London, England. (Photo by Kirsty Wigglesworth - WPA Pool/Getty Images)
LONDON, ENGLAND - NOVEMBER 07: Meghan, Duchess of Sussex meets veterans and soldiers as she attends the 91st Field of Remembrance at Westminster Abbey on November 7, 2019 in London, England. (Photo by Kirsty Wigglesworth - WPA Pool/Getty Images)
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