Mary Anne Schimmelpenninck
Mary Anne Schimmelpenninck ( née Galton , 25 November 1778 – 29 August 1856 ) was a British writer in the anti-slavery movement . 
<triplet> Mary Anne Schimmelpenninck <subj> 25 November 1778 <obj> date of birth <subj> 29 August 1856 <obj> date of death