Isabel De_beaumont. She married Henry …, son of Henry … and Maud Chaworth,. He died in 1361.

Blanche Of_lancaster …, daughter of Henry … and Isabel De_beaumont, was born in 1341 and died on September 12, 1369 in Bolingbroke, Castle at the age of 28. She married John Of Gaunt, son of Edward III Plantagenet and Philippa Of Hainault Holland, on May 13, 1359 in Reading. He was born in March 1340 in Ghent, Flanders and died on February 3, 1398 in Leicester, Leicestershire, England at the age of 57.

Philippa Of_lancaster Plantagenet, daughter of John Of Gaunt and Blanche Of_lancaster …, was born about 1360 and died in 1415. She married John 1St …. He was born in 1357 and died in 1433 at the age of 76.

Elizabeth Plantagenet, daughter of John Of Gaunt and Blanche Of_lancaster …, was born in 1364 and died in 1426 at the age of 62. She married 2 times. The first time she married John Holland. The second time she married John Cornwall.

Henry IV Bolingbroke, son of John Of Gaunt and Blanche Of_lancaster …, was born in 1367 in Northumberland, England and died on March 20, 1413 in Westminster (London), England at the age of 46. He married 2 times. The first time he married Mary De_bohun, daughter of Humphrey De_bohun, in 1380 in Arundel Castle. She died on July 4, 1394 in Peterborough, Castle. The second time he married Joan Of_navarre …, daughter of Charles_ii …, on February 7, 1403 in Winchester, Cathedral, London, England. She was born about 1370 in Pamplona and died on July 9, 1437 in Havering Atte, Bower, Essex, England.