John Boyle, 5th Earl of Cork and Orrery

attributed to Isaac Seeman
oil on canvas, circa 1735-1745
NPG 4621

Lancelot Blackburne

by George Vertue, after Isaac Seeman
line engraving, 1727
NPG D31800

Lancelot Blackburne

by George Vertue, after Isaac Seeman
line engraving, 1727
NPG D31801

Henrietta Boyle (née Hamilton), Countess of Cork and Orrery

by George Vertue, after Isaac Seeman
line engraving, 1732
NPG D27640

Henry Briggs

by John Faber Jr, after Isaac Seeman
mezzotint, 1738
NPG D1291

Henry Briggs

by John Faber Jr, after Isaac Seeman
mezzotint, 1738
NPG D858

Henry Briggs

by John Faber Jr, after Isaac Seeman
mezzotint, 1738
NPG D859

Sir William Thomson

by and published by John Faber Jr, after Isaac Seeman
mezzotint, 1739
NPG D40445

John Jeffery

by Anthony Walker, after Isaac Seeman
line engraving, published 1751
NPG D31141