 It depicts the couple kneeling in a pose that echoes Chantrey's monument of 1835 to Reginald Heber in St Paul's Cathedral, except that Lady Elizabeth leans against her husband's shoulder with evident affection.His marble monument to Percy Bysshe Shelley and Mary Wollstonecraft Shelley (1853/4) was commissioned by their son, Sir Percy Shelley, and his wife after the death of Mary Shelley.Unlike the later Shelley memorial by Onslow Ford, Weekes has chosen to include the figure of Mary Shelley.