Click to expand/collapse all notes Click to expand/collapse all other details

Female Blanche Countess of Derby

Blanche Countess of was born on May 25th, 1345 in Castle Grosmont, Grosmont, Monmouthshire, Wales.1   Blanche Countess of's father was Sir Henry of Grosmont 1st Duke of Lancaster and her mother was Isabella De Beaumont.  Her maternal grandparents were Henry (1st Earl De Buchan) De Beaumont and Alice Comyn.  She was an only child.  She died at the age of 24 on September 12th, 1369 in Bolingbroke Castle, Lindsey, Lincolnshire, England.1 


Blanche Countess of's family with Duke of Lancaster John of Gaunt

‌Blanche Countess of and Duke of Lancaster John of were married in a religious ceremony on May 13th, 1359 in Reading Abbey, Berkshire, England.  They had three sons and three daughters, named John of, Henry Iv King of, John, Philippa of, Elizabeth and Isabella.

1 Public Member Trees @ Database online.
2 OneWorldTree

Page last modified