Edmund Plantagenet
Edmund was born on June 5th, 1341 in Langley, Hertsfordshire, England.  He died at the age of 61 on August 1st, 1402 in King's Langley, Hertsfordshire, England.  He was buried in Church of the Medicant Friars, Hertsfordshire, England.

 Isabel of Leon and Castile
Isabel of Leon and was born in 1355 in Morales, Toedesollas, Spain.  She died at the age of 37 on November 23rd, 1392 in Langley, Hertsford, England.  She was buried in Church of the Dominican Friars, Hertsfordshire, England.

 Constance Plantagenet
Constance was born about 1374 in Langley, Hertsfordshire, England.

 Richard Plantagenet
Richard was born in 1375 in Coinsbrough Castle, York, England.  He died at the age of 40 on August 5th, 1415 in Beheaded, South Hampton Green, South Hampton, England.  He was buried in Chapel of God's House, Southampton, England.

 Edward Plantagenet
Edward was born about 1377.