John De Clifford
John was born on March 25th, 1388 in Appleby, Westmoreland, England.  He died in Slain at seige of Meaux, France.

 Elizabeth de Percy
Elizabeth was born in 1395 in Alnwick, Northumberland, England.  She died at the age of 42 on October 26th, 1437 in Durham, England.

 Mary De Clifford
Mary was born about 1412.

 Thomas De Clifford
Thomas was born on March 25th, 1414 in Appleby, Westmoreland, England.  He died at the age of 41 on May 22nd, 1455 in Battle of St. Albans.

 Henry De Clifford
Henry was born about 1416.