Ancestors of Derek Anthony DeCastro

             /--Carlos Anthony DeCastro
Derek Anthony DeCastro
             |               /--Wilbur Adolf Olson  b. 28 NOV 1896 at Woburn, Middlesex Co., MA  d. DEC 1969
             |       /--Earl Leonard Olson  b. 26 APR 1926 at Woburn, Middlesex Co., MA  d. 27 MAR 2004
             |       |       \--Signe Elizabeth Reenstierna  b. 7 MAR 1898 at Lowell, Middlesex Co., MA  d. MAR 1982
             \--Diane Margaret Olson
                     \--Lois Elizabeth Macaulay