Louis Agassiz
On November 30, 1860, Shaw married Pauline Agassiz (February 6, 1841 – February 10, 1917), daughter of Louis Agassiz and the step daughter of Elizabeth Cabot Cary. They had five children: Pauline, Marian, Louis Agassiz Shaw, Sr. (September 18, 1861 – July 2, 1891), Quincy Adams (July 30, 1869 – May 8, 1960), and Robert Gould II (1873–1930).