Robert Thornton
Robert was born in 1344.  He died at the age of 58 in 1402.

 Margery Thweng
Margery was born before 1360.

 William Thornton
William was born in 1359 in East Newton, Yorkshire, England.  He died at the age of 59 in 1418.

 Robert Thornton
Robert was born about 1376.

 Ann Thornton