King Frederik and Queen Mary of Denmark's Children: All About Their 4 Kids

Their eldest, Prince Christian, is 18 years old.

Princess Mary and Crown Prince Frederik's sweet family

Queen Mary and King Frederik's children: Everything to know about their four children, including Prince Christian

Meet Prince Christian of Denmark, son of Crown Prince Frederik and Princess Mary – his parents just pulled the 16-year-old out of Herlufsholm School due to shocking revelations

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Danish Royal Family Embracing Tradition

Hail Queen Mary! As Denmark's Margrethe abdicates, all eyes are on her Aussie daughter-in-law

Crown Prince Frederik and Princess Mary of Denmark sending kids to boarding school in Switzerland

Crown Prince Frederik and wife Crown Princess Mary of Denmark with their children, …

Prince Frederik and Princess Mary become King and Queen of Denmark: Everything you need to know

Crown Princess Mary reveals how children are adapting to Switzerland

14 of the new Queen Mary's best looks — from Australian commoner to Denmark royal