|SOME NOTES ON MEDIEVAL ENGLISH GENEALOGY|
Volume 12, part 2, page 660:
He [John (de Willoughby), Lord Willoughby (de Eresby) (d. 1372)] m., before 1349, Cecily, sister and (in her issue) coh. of William (DE UFFORD), 2nd EARL OF SUFFOLK, 2nd but 1st surv. da. of Robert, 1st EARL OF SUFFOLK, by Margaret, great-aunt and (in her issue) h. of John (de Norwich), 2nd Lord Norwich, da. of Sir Walter DE NORWICH, of Sculthorpe, Norfolk.
John and Cecily were married by 18 August 1337 [Lincolnshire Archives, Holywell 87/52; online abstract at Access to Archives].
[This evidence was provided by Douglas Richardson in June 2004.
Item last updated 13 July 2004.]