- Source: HLN " data-fave-thumbnails="{"big": { "uri": "https://media.cnn.com/api/v1/images/stellar/prod/140807171028-prince-william-baby-george.jpg?q=x_75,y_18,h_638,w_1134,c_crop/h_540,w_960" }, "small": { "uri": "https://media.cnn.com/api/v1/images/stellar/prod/140807171028-prince-william-baby-george.jpg?q=x_75,y_18,h_638,w_1134,c_crop/h_540,w_960" } }" data-vr-video="false" data-show-html="" data-byline-html="
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Updated 7:32 PM EDT, Thu October 2, 2014
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A photograph taken in London on Wednesday July 2, 2014, to mark Britain's Prince George's first birthday, shows Prince William (R) and Catherine, Duchess of Cambridge (L) with Prince George during a visit to the Sensational Butterflies exhibition at the Natural History Museum in London. Britain's Prince William and his wife Catherine on Monday thanked well-wishers around the world as they prepared to celebrate their son Prince George's first birthday. AFP PHOTO/John Stillwell/POOL EDITORIAL USE ONLY (Photo credit should read JOHN STILLWELL/AFP/Getty Images)
Royals warn: Back off Prince George
03:04 - Source: HLN

Story highlights

Two photographers have been following Prince George and his nanny in parks, palace says

They've been sent a letter asking them to stop by lawyers for William and Catherine

They want their 14-month-old son to have "as normal a childhood as possible"

Catherine is expecting their second child and has again suffered acute morning sickness

London CNN  — 

Lawyers for Prince William and Catherine, Duchess of Cambridge, have sent letters to two photographers asking them to stop following the couple’s son, Prince George, and his nanny around public parks, Buckingham Palace said Thursday.

The two individuals have essentially been stalking Prince George, who is 14 months old, said a palace spokesman.

William and Kate want their son, who is third in line to the British throne, to have “as normal a childhood as possible,” the spokesman said.

The Duke and Duchess of Cambridge are grateful to the British press for refraining from publishing the paparazzi photos, he added.

The letters were delivered “earlier this week,” the spokesman said. There has not yet been a response.

Buckingham Palace spokesmen traditionally are not quoted by name.

Catherine is expecting the couple’s second child, royal officials confirmed last month, and as a result has canceled some public engagements.

As during her first pregnancy, she is suffering from hyperemesis gravidarum, or acute morning sickness. The condition involves nausea and vomiting more severe than the typical morning sickness many women suffer during early pregnancy.