<person><first_name>Isaac</first_name><last_name>Erwin</last_name><gender>male</gender><economic_assessments><economic_assesment>PRIVATE SALE - From 1822 - Act of Sale</economic_assesment><economic_assesment>PRIVATE SALE - From 1825 - Act of Sale</economic_assesment><economic_assesment>From 1827 - Testimony</economic_assesment></economic_assessments></person>