"Cynthia and her husband had a deeply commited relationship. They had two children, Mary Remington Congdon (1842-1916) and George Barrell Congdon (1846-1902). George was named after the master of the bark Index, the first vessel on which his father sailed. Both children, along with their mother, accompanied John Congdon on sea voyages at various times between 1852 and 1862. During the first few years of her marriage, Cynthia had remained at home when her husband sailed; but by 1852, the emotional hardship she endured during his absences induced her to accompany him to San Francisco on the brig Hannah Thornton, along with young George. In a letter to John dated March 12, 1851, she lamented,