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 Maud de Lacy, Countess of Gloucester:

"

On 15 July 1262, her husband died near Canterbury. Maud designed and commissioned a magnificent tomb for him at Tewkesbury Abbey where he was buried. She also donated the manor of Sydinghowe to the "Priory of Leigh" (i.e. Canonsleigh Abbey, Devon, for the soul of Richard, formerly her husband, Earl of Gloucester and Hertford by charter dated to 1280.[citation needed] Their eldest son Gilbert succeeded Richard as the 6th Earl of Hertford and 7th Earl of Gloucester. Although Maud carefully arranged the marriages of her daughters, the King owned her sons' marriage rights.[1]