General Notes

The birth dates are extremely tight in this pedigree, but CP insists that Margaret is daughter of William de Kerdeston by his 3rd wife, despite a deposition in 1453 that Margaret was daughter of William's 1st wife.  Margaret was apparently "illegitimate" despite her parent's marriage because she was born earlier than their marriage date.

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In 1453 there was a further trial, Alice, Duchess of Suffolk, complaining of trespass by John Howard, of Stoke Nayland, esq. and his ministers at Bulcamp and Henham in January 1450/1. Howard alleged that Roger Kerdeston, chr., formerly held the estates and had issue William Kerdeston, chr., who was married in St. Botolph's Church, Norwich, to Margaret Bacoun and had a daughter Margaret. Margaret the wife died before Roger. Afterwards the said William married at the same church one Alice Norwiche, but before the marriage they had a son William Kerdeston the younger. William the father died in Roger's lifetime. After Roger's death the said daughter Margaret, at Norwich in the same church, wedded William Tenderyng, chr., and they had a son William Tenderyng the younger, chr., who left a daughter Alice [and she had issue Robert Howard], who had issue the defendant John Howard. William Kerdeston the younger had issue Leonard (called Laurence elsewhere) Kerdeston, who had a son Thomas Kerdeston, who had possession of the estates and enfeoffed the Duchess of them.

This deposition can be proved to be wrong in several essentials.

The Duchess in reply alleged that Margaret wife of William Tendryn, was the issue of William Kerdeston by one Margaret Cobold, before marriage. William had by Margaret Bacon only one daughter-Maud. She married John Burghersh, knight, who had a son John, who had a daughter Maud, mother of the Duchess. She did not admit the defendant's statement about William Kerdeston the younger; but Roger Kerdeston certainly held the lands in dispute, and on bis death was succeeded by his son William Kerdeston. This William enfeoffed William Bergh and others, who in turn enfeoffed William Kerdeston the younger, who thus came into possession. He had a son Leonard, whose son Thomas enfeoffed William, Duke of Suffolk, who enfeoffed Maud Chaucer, who had issue the Duchess, who thus entered as daughter and heir and had possession till disseised by Howard.  [Complete Peerage VII:197-8]  (CP apparently takes the Duchess's word in the above conflicting testimony.]