Edward Alexander Frederick De Mattos
1835 Born in the Netherlands, son of George de Mattos; one of the brothers of William Nicholas De Mattos
1859 Birth of son Joseph Hilbert De Mattos in Middlesex
1862 Married Caroline Mary Ann Beard in London
1881 Edward De Mattas 45, export merchant, lived in Lewisham with Caroline De Mattas 45, Alfred E. De Mattas 27, Ernest T. De Mattas 22, E.Gertrude De Mattas 18, T.Edmund De Mattas 17, Cecil H. De Mattas 15, Edith C. De Mattas 13, C.Mabell De Mattas 8, Egar G. De Mattas 6, Walter W. De Mattas 3[1]
1915 of Tunbridge Wells, when he died; his executors included Joseph Hilbert De Mattos, engineer[2]