Esther Spencer (died 1840) (1762–1840) Parents Jane Mercier James Spencer Children Henry Pomeroy William Knox Pomeroy unknown daughter Pomeroy Arthur William Pomeroy Jane Pomeroy Spencer Stewart Pomeroy Elizabeth Esther Pomeroy John James Pomeroy, 5th Viscount Harberton George Francis Pomeroy Colley Siblings Mary Anne Spencer Anne Spencer Partners John Pomeroy, 4th Viscount Harberton