Sir Martin Henry Blackwood, 2nd Bt. British Royal Navy officer (1801-1851) (1801–1851) Parents Eliza Waghorn Henry Blackwood Children Sir Henry Blackwood, 3rd Bt. unknown daughter Blackwood Georgina Louisa Blackwood unknown daughter Blackwood Percy Blackwood Sir Francis Blackwood, 4th Bt. unknown daughter Blackwood Siblings Francis Price Blackwood Arthur Johnstone Blackwood Harriete Anne Blackwood Partners Harriet Louisa Bulkeley