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

Their eldest, Prince Christian, is 18 years old.

All About Crown Prince Frederik and Crown Princess Mary's 4 Children

Prince Vincent of Denmark - Wikipedia

All About Crown Prince Frederik and Crown Princess Mary's 4 Children

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Danish royal family: Who are Princess Mary and Prince Frederik's children?

Prince Frederik: Denmark's Crown Prince Frederik: All About His Wife Mary And Four Children

Mary and Frederik's proclamation will be a no-frills affair. It's all part of their clever plan for a Danish 'bicycle monarchy' - ABC News

Princess Mary's coronation: What we know about Princess Mary and Prince Frederik of Denmark coronation

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

Princess Mary's children: What their new royal life means

How a bar room romance put a Scot on the throne of Denmark

Crown Princess Mary is now queen and her kids tell all - Mums At The Table

Queen Mary of Denmark is a vision in purple for church service with King Frederik X and children following accession