Delphy and her children were manumitted by Thomas Law and Eliza P. Custis Law in 1807 .
In 1800 Delphy married William Costin , a free man , and lived with him in Washington , DC .
Delphy and Delphy 's children were manumitted by Thomas Law and Eliza P. Custis Law in 1807 .
In 1800 Delphy married William Costin , a free man , and lived with him in Washington , DC .