John de Seagrave, 4th Baron Segrave

John married Margaret Plantagenet, Duchess of Norfolk in 1337. Margaret (daughter of Thomas "of Brotherton" Plantagenet, 1st Earl of Norfolk and Alice de Hales) was born about 1322 in Framlingham Castle, Suffolk, England; died on 24 Mar 1399; was buried in Choir of the Grey Friars, London, England. [Group Sheet] [Family Chart]

1. Elizabeth de Segrave, 5th Baroness Segrave was born on 25 Oct 1338; died before 1368.
2. John de Seagrave was born on 13 Sep 1340; died in 1349.