William Nicholas De Mattos
c.1819 Born in Holland, British subject[1]
1851 William M De Mattos 32, coal merchant, lived in Lambeth with his wife, Rachel De Mattos 27, William S De Mattos 2 Months, his father, George De Mattos 63, his sisters Antoinette E De Mattos 21, Ida W G De Mattos 20, and brother Edward A F T De Mattos 15, and a visitor Sydney Hall 37, civil engineer[2]