John De Segrave
John was born about 1314 in Seagrave, Leicestershire, England.  He died on April 1st, 1353.

 Margaret Plantagenet
Margaret was born about 1322 in Norfolk, England.

 Elizabeth de Segrave
Elizabeth was born on October 25th, 1338 in Seagrave, Leicestershire, England.  She died at the age of 38 in 1376.

 Margaret de Segrave
Margaret was born about 1340.