Don't know if you've gotten updates since you posted your message but this is what I have (James Monroe Aaron was the brother of Joseph Lafayette Aaron, my gg-grandfather). Would love to exchange info with you.
Jesse Aaron (1799-aft.1850) married Martha Flood (1800-?) (5 children)
James Jefferson Monroe Aaron (1837-1904) married Frances Barbary Parr (1838-1904) (9 children)
James Monroe Aaron (1859-1900) married Sarah A White (1867-?) (6 children)