John (4th Baron of Seagrave) Seagrave

 Margaret Marshal (Duchess O Norfolk) Plantagenet
Margaret Marshal (Duchess O Norfolk) was born in 1322 in ,,Norfolk,England.¹   She died at the age of 77 on March 24th, 1399 in Carthusian Church,de Grey Friars,London,England.¹ 

 + Elizabeth De Segrave
+ Elizabeth was born on October 25th, 1338 in Croxton, Leicestershire, , England.²   She died about 1368.² 

 Ann De Seagrave
Ann was born in 1377.