(This is thought to have been the brother of Stephen Langton, Archbishop of Canterbury: if so he fought in the Albigensian Crusade and would have been about 70 by the time of the marriage.
In that year Dionisie married Warin de Munchensi, lord of Swanscombe, Painswick, and other estates.
She acted as his executrix and as guardian of her granddaughter, named Dionisie after her, who was still a child when William died.
In 1293 Dionisie endowed a nunnery in the order of Poor Clares at Waterbeach in Cambridgeshire; it was active until 1347 and then merged with the nearby Denny Abbey, newly founded by Joan de Munchensi's daughter-in-law Mary, countess of Pembroke.
[3] Since Dionisie bore only one child, the "children" are assumed to include her two stepchildren, John and Joan.