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BIDDINGHUIZEN, NETHERLANDS - MARCH 5 : Princess Aimee of The Netherlands at the Hollandse 100 ice skating and cycling fund raising event at Flevonice on March 5, 2017 in Biddinghuizen, Netherlands. The Hollandse 100 is to raise money for the foundation against lymphoma Lymph&Co founded by Prince Bernhard who survived lymphoma. (Photo by Patrick van Katwijk/Getty Images)

BIDDINGHUIZEN, NETHERLANDS - MARCH 5 : Princess Aimee of The Netherlands at the Hollandse 100 ice skating and cycling fund raising event at Flevonice on March 5, 2017 in Biddinghuizen, Netherlands. The Hollandse 100 is to raise money for the foundation against lymphoma Lymph&Co founded by Prince Bernhard who survived lymphoma. (Photo by Patrick van Katwijk/Getty Images)

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BIDDINGHUIZEN, NETHERLANDS - MARCH 5 : Princess Aimee of The Netherlands at the Hollandse 100 ice skating and cycling fund raising event at Flevonice on March 5, 2017 in Biddinghuizen, Netherlands. The Hollandse 100 is to raise money for the foundation against lymphoma Lymph&Co founded by Prince Bernhard who survived lymphoma. (Photo by Patrick van Katwijk/Getty Images)

BIDDINGHUIZEN, NETHERLANDS - MARCH 5 : Princess Aimee of The Netherlands at the Hollandse 100 ice skating and cycling fund raising event at Flevonice on March 5, 2017 in Biddinghuizen, Netherlands. The Hollandse 100 is to raise money for the foundation against lymphoma Lymph&Co founded by Prince Bernhard who survived lymphoma. (Photo by Patrick van Katwijk/Getty Images)

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BIDDINGHUIZEN, NETHERLANDS - MARCH 5 : Princess Annette of The Netherlands at the Hollandse 100 ice skating and cycling fund raising event at Flevonice on March 5, 2017 in Biddinghuizen, Netherlands. The Hollandse 100 is to raise money for the foundation against lymphoma Lymph&Co founded by Prince Bernhard who survived lymphoma. (Photo by Patrick van Katwijk/Getty Images)

BIDDINGHUIZEN, NETHERLANDS - MARCH 5 : Princess Annette of The Netherlands at the Hollandse 100 ice skating and cycling fund raising event at Flevonice on March 5, 2017 in Biddinghuizen, Netherlands. The Hollandse 100 is to raise money for the foundation against lymphoma Lymph&Co founded by Prince Bernhard who survived lymphoma. (Photo by Patrick van Katwijk/Getty Images)

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BIDDINGHUIZEN, NETHERLANDS - MARCH 5 : Prince Bernhard and Princess Annette of The Netherlands at the Hollandse 100 ice skating and cycling fund raising event at Flevonice on March 5, 2017 in Biddinghuizen, Netherlands. The Hollandse 100 is to raise money for the foundation against lymphoma Lymph&Co founded by Prince Bernhard who survived lymphoma. (Photo by Patrick van Katwijk/Getty Images)

BIDDINGHUIZEN, NETHERLANDS - MARCH 5 : Prince Bernhard and Princess Annette of The Netherlands at the Hollandse 100 ice skating and cycling fund raising event at Flevonice on March 5, 2017 in Biddinghuizen, Netherlands. The Hollandse 100 is to raise money for the foundation against lymphoma Lymph&Co founded by Prince Bernhard who survived lymphoma. (Photo by Patrick van Katwijk/Getty Images)

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BIDDINGHUIZEN, NETHERLANDS - MARCH 5 : Prince Floris and Princess Aimee with their daughters Magali and Eliane of The Netherlands at the Hollandse 100 fund raise event Organized by Lymph & Co at Flevonice in Biddinghuizen, The Netherlands, 5 March 2017. The event is an duathlon of 10 km (ice)skating and 90 km cycling to raise money for the foundation lymphoma Lymph&Co founded by Prince Bernhard who survived lymphoma. (Photo by Patrick van Katwijk/Getty Images)

BIDDINGHUIZEN, NETHERLANDS - MARCH 5 : Prince Floris and Princess Aimee with their daughters Magali and Eliane of The Netherlands at the Hollandse 100 fund raise event Organized by Lymph & Co at Flevonice in Biddinghuizen, The Netherlands, 5 March 2017. The event is an duathlon of 10 km (ice)skating and 90 km cycling to raise money for the foundation lymphoma Lymph&Co founded by Prince Bernhard who survived lymphoma.    (Photo by Patrick van Katwijk/Getty Images)