Edward De Montagu
Edward was born in 1304.  He died at the age of 57 on July 14th, 1361.

 Alice Plantagenet Of Norfolk
Alice was born in 1324.  She died at the age of 27 on November 14th, 1351.

 Joan De Montagu
Joan was born on February 2nd, 1348.  She died at the age of 28 on June 12th, 1376.

 Elizabeth De Montagu