Research Notes:
Complete Peerage describes the descent to Robert's great great granddaughters, [1]
Cecily and her sister and coh., 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, 1306) coh. of Bartholomew de Creke, of North Creake, Norfolk, and Combs, Suffolk, da. of Robert de Creke, of the same. See Cal. Close Rolls, 1302-07, pp. 393-95, 465, 467-70; Cal. Fine Rolls, vol. i, p. 539; Copinger, Manors of Suffolk, vol. vi, pp. 150-51; ante, vol. xii, pt. 1, p. 717, note sub THORPE (of Norfolk).
[1] George E. Cokayne and Geoffrey H White, ed., The Complete Peerage, rev., Vol. 12, part 2, Tracton to Zouche (London: St Catherine Press, 1959), 150.