{"person":[{"first_name":"Matilda","age_circa":"circa","age":"3","age_year_circa":"circa","age_year":"1845","gender":"female","economic_assessments":[{"economic_assesment":"From circa 1845 to circa 1848 - testimony of Martin Devereaux"},{"economic_assesment":"From circa 1848 - testimony of John Roberts"},{"economic_assesment":"From circa 1845 - testimony of Martin Devereaux"},{"economic_assesment":"From circa 1845 - act of sale"}]}]}