Thomas de Clifford 6th Lord Clifford
Thomas was born about 1363.  He died  due to Killed on August 18th, 1391 in Germany.

 Elizabeth de Ros
She died in March 1424.

 Matilda de Clifford
Matilda was born before 1391.  She died on August 26th, 1446.  She was buried in Roche Abbey, Yorkshire.