How many children does the crown prince and princess of denmark have?

Crown Prince Frederik and Crown Princess Mary of Denmark have four children:

1. Prince Christian Valdemar Henri John (born October 15, 2005)

2. Princess Isabella Henrietta Ingrid Margrethe (born April 21, 2007)

3. Prince Vincent Frederik Minik Alexander (born January 8, 2011)

4. Princess Josephine Sophia Ivalo Mathilda (born January 8, 2011)