Richard VI de Vernon
Richard VI was born about 1367.¹   He died in 1400.¹ 

 Joan verch Rhys
Joan was born in 1369.¹   Joan is no longer alive.

 Richard VII (Sir) Vernon
Richard VII (Sir) was born in 1409.¹   He died at the age of 42 on August 23rd, 1451.¹