Source: Our Kingdom Come (see source list)
He [Robert de Ufford] married, before 1298, Cecily, younger daughter and coheir of Robert DE VALOINES (e), by Eve (f), widow of Nicholas TREGOZ (died shortly before 2 June 1279), of Tolleshunt D'Arcy, Essex. He died on or before 9 September 1316, aged 37. His widow, who was aged 1 in 1282 and was going on pilgrimage beyond the seas in February 1318/9, died 16 July 1325, aged 44. [Complete Peerage XII/2:150, (transcribed by Dave Utzinger)]
(e) Cecily and her sister and coheir, Rose, wife of Edmund de Pakenham, were also coheirs of their paternal great-grandmother, Isabel, wife of John de Valoines, sister and (in her issue) coheir of Bartholomew de Creke, of North Creake, Norfolk, and Combe, Suffolk, daughter of Robert de Creke, of the same.
(f) She is commonly described as Eva Criketot, presumably of the family of Criketot of Ousden, Suffolk.