Thomas FitzWilliam 4th Viscount FitzWilliam
Thomas was born in 1645.  He died at the age of 59 on February 20th, 1704.

 Mary Stapylton
Mary was born in 1636.

 Richard FitzWilliam 5th Viscount
Richard was born in 1677.  He died at the age of 66 in 1743.