About Walter de Denne, of Denne Hill
Walter Denne of Denne Hill, living in 1256, had a son
He was the High Steward of the Priory of Canterbury and was also the Judge of Assizes.
Birthplace: Kingstone, Kent, England
Death: Died 1256 in Denn Hill, Kingstone, Kent, England
"Ancestral File v4.19," database, FamilySearch (http://familysearch.org/pal:/MM9.2.1/MZMS-WHW : accessed 9 September 2012), entry for Walter DENNE.
This one makes no sense. Birth date is same as wife's death date