The Nobleman is a 1736 comedy play by Elizabeth Cooper.Nicoll p.316 It premiered at the Haymarket Theatre, and is also known by the longer title The Nobleman, or, The Family Quarrel.
References
Bibliography Burling, William J. A Checklist of New Plays and Entertainments on the London Stage, 1700-1737. Fairleigh Dickinson Univ Press, 1992. Nicoll, Allardyce. A History of Early Eighteenth Century Drama: 1700-1750. CUP Archive, 1927.