Caldwell was born in 1769, the son of
James Caldwell and Hannah Ogden. His father was a Presbyterian minister who played a prominent part in the
American Revolution and was known as the "Fighting Parson". Caldwell's
family home was burned by
Loyalists in 1780. Caldwell was later adopted by
Gilbert du Motier, Marquis de Lafayette, who took him with his family upon his return to France in 1782. Caldwell was educated in a French boarding school during that period. In 1785, Caldwell and the family of Lafayette dined with
John Adams. In 1791, Caldwell returned to America and settled in
Philadelphia, where his guardian Boudinot was living. == Career ==