Duke Henry Plantagenet Of Lancaster
Henry was born in 1300.  He died at the age of 1298 in 0002.

 Isabel De Beaumont
Isabel is no longer alive.

 Blanche Plantagenet Of Lancaster
Blanche was born on March 25th, 1345 in Grosmont Castle,Monmourthshire,Wales.  She died at the age of 24 on September 30th, 1369 in Bolingbroke Castle,Lincolnshire,England.¹