Sir James Clerk of Penicuik, 7th Bt. (1812-1870) (1812–1870) Parents Maria Anne Law Sir George Clerk, 6th Baronet Children Mary Elizabeth Clerk Sir George Clerk of Penicuik, 8th Bt. Robert James Clerk Susan Edith Clerk Jane Isabella Maria Clerk Siblings Henry Clerk Alexander Clerk George Edward Clerk Edward Clerk John Clerk Elizabeth Harriette Clerk Partners Jane Calvert Henderson