Mary Cowper1 
- [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 86. Hereinafter cited as The New Extinct Peerage.
Martha Cowper1 
Her married name became Hitson.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 86. Hereinafter cited as The New Extinct Peerage.
John Hitson1
He lived at Cleasby, Yorkshire, EnglandG.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 86. Hereinafter cited as The New Extinct Peerage.
Anne Cowper1
Her married name became Richmond.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 86. Hereinafter cited as The New Extinct Peerage.
John Richmond1
He lived at Hiddington, Norfolk, EnglandG.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 86. Hereinafter cited as The New Extinct Peerage.
Pennington Goodeve1
She was also known as Pennington Goodere.2 Her married name became Cowper.1
Children of Pennington Goodeve and Spencer Cowper
- Ashley Cowper+1 d. 1788
- William Cowper+1 d. 1740
- Reverend John Cowper+1 d. 10 Jul 1756
- [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 86. Hereinafter cited as The New Extinct Peerage.
- [S2407] Roger Brewitt, “re: Cowper Family,” e-mail message to BENR, 30 August 2007. Hereinafter cited as “re: Cowper Family.”
John Goodeve1
Child of John Goodeve
- [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 86. Hereinafter cited as The New Extinct Peerage.
- [S2407] Roger Brewitt, “re: Cowper Family,” e-mail message to BENR, 30 August 2007. Hereinafter cited as “re: Cowper Family.”
Theodora (?)1
Her married name became Stepney.1 Her married name became Cowper.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 86. Hereinafter cited as The New Extinct Peerage.
John Stepney1
- [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 86. Hereinafter cited as The New Extinct Peerage.
William Cowper1 
He was Clerk of the Parliaments.1
Children of William Cowper
- William Cowper1 b. c 1722, d. 27 Aug 1769
- Lt.-Gen. Spencer Cowper+1 b. c 1726, d. 1797
- [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 86. Hereinafter cited as The New Extinct Peerage.
