Horace Robert Pechell (1792-1882), Fellow of All Souls, and rector of Bix, near Henley-on-Thames, by his wife Lady Caroline Mary Kerr (d.1869), daughter of Lord Mark Kerr and Charlotte McDonnell, Countess of Antrim.

He joined the Royal Navy, and served in the Baltic Expedition of 1854-55, when an Anglo-French fleet entered the Baltic sea to attack the Russian naval base of Kronstadt during the Crimean War.

Pechell was in command of the gunboat HMS Lark at the bombardment of Sveaborg.

The couple left nine children, including Captain Mark Horace Kerr Pechell (1867-1899) and Captain Charles Augustus Kerr Pechell (1869-1899), who both died a couple of days apart in South Africa during the early days of the Second Boer War.

The youngest daughter, Aileen Kerr Pechell (ca 1879-1920), was the wife of Sir Arthur Russell, 6th Baronet.