Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Philippa of Lancaster:

"

Philippa, at the age of 27, was thought to be too old to become a bride for the first time, and the court questioned her ability to bear the King's children; however, Philippa bore nine children, six of whom survived into adulthood.[citation needed]