The family of John de Segrave and
Margaret Plantagenet Duchess of Norfolk and Countess Marshal
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  His Parents:   Her Parents:
  Stephen de SEGRAVE   Thomas of BROTHERTON
  Alice FITZ ALAN   Alice de HALES
Married ~1335
Bd 04/05/1315 Bd ~1320
Bp   Bp  
Dd 01/04/1353 Bretby, Derbyshire Dd  24/03/1398/9
Bur   Bur  
Occ   Occ   
 Their Children:
   John de Segrave Bd  
   Elizabeth de Segrave Bd  25/10/1338



In 1350 Margaret instituted divorce proceedings against her husband, John, alleging that she was contracted to him before she was of marriageable age and had never agreed to cohabit with him. She allegedly set out for Rome in person to secure a divorce, having first obtained letters of safe conduct from the French King. The case was subsequently heard by the dean of St Hiliary's, Poitiers, the papal auditor. In 1351 she was charged by King Edward III with "having crossed the channel contrary to the King's prohibition" where "she met at night by Thomas Barbour, servant of Sir Walter de Mauny, by whom he was appointed to superintend the crossing."
After the death of John de Segrave in 1353, Margaret married Sir Walter de Mauny shortly before 30/05/1354 (without King's license). They had two children Thomas and Anne. Margaret was found guilty of contempt in the King's court in 1354 but was pardonned in Dec 1355. She was created Duchess of Norfolk for life on 29th Sep 1397.

Page updated October 2010