On 21 May 1820 when Robert was 28, he married 
Lydia Stone, daughter of 
John Stone (7 Mar 1755-29 May 1819) & 
Mary Tufts (ca 1758-20 Jan 1816), in Charlestown, MA.
 Born on 26 Jan 1802 in Charleston, South Carolina. Lydia died in Somerville, MA, on 16 Feb 1875; she was 73.