Robert Middleton1
He lived at Belsay Castle, Northumberland, EnglandG.1
Child of Robert Middleton and Mabell Ogle
Mabell Ogle1
Her married name became Middleton.
Child of Mabell Ogle and Robert Middleton
Ralph Middleton1
He lived at Trewick, Northumberland, EnglandG.1
Child of Ralph Middleton and Isabel Fenwick
- Sir William Middleton, 1st Bt.+2 d. c Mar 1690
Isabel Fenwick1
Her married name became Middleton.
Child of Isabel Fenwick and Ralph Middleton
- Sir William Middleton, 1st Bt.+2 d. c Mar 1690
John Cunliffe Cunliffe-Lister, 3rd Baron Masham of Swinton1 
He succeeded as the 3rd Baron Masham of Swinton, co. York [U.K., 1891] on 24 January 1917.1
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 192. Hereinafter cited as The New Extinct Peerage.
Sir Thomas Wentworth1
Child of Sir Thomas Wentworth
- Mary Wentworth2 d. 16 Sep 1667
Mary Wentworth1 
Her married name became Middleton.
Sir John Middleton, 2nd Bt.1 
He succeeded as the 2nd Baronet Middleton, of Belsay Castle, co. Northumberland [E., 1662] circa March 1690.1
Children of Sir John Middleton, 2nd Bt. and Frances Lambert
- Sir William Middleton, 3rd Bt.3 d. 28 Sep 1757
- Thomas Middleton+3
- Sir John Lambert Middleton, 4th Bt.+3 b. 14 Jun 1705, d. 22 Mar 1768
