William Edgar Rupert Decoste, b: 1926 - Charlottetown, Prince Edward Island

^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}
^{1964 - 1973 Vietnam War}
^{1969 Armstrong first person on the moon}

^{1903 Wright brothers 1st plane flight}
^{1908 Ford produces Model T}
^{1913 Edison invents movies w/sound}
^{1914 - 1919 World War I}
^{1929 The Great Depression begins}

^{1861 - 1865 Civil War, North vs. South}
^{1867 Alaska Territory purchased}
^{1869 Transcontinental Railroad complete}
^{1879 Edison invents phono/light bulb}
^{1898 Spanish-American War}


			^{Guillaume (William) Decoste}^{b.1864 Cape Auget, Nova Scotia d.1934 Cha, Prince Edward Island}

		^{William Vincent Decoste}^{b.1899 Cha, Prince Edward Island d.1965}	^{Adeline Blanchard}^{b.1861 New Brunswick d.1950 Cha, Prince Edward Island}

	^{William Edgar Rupert Decoste}^{b.1926 Cha, Prince Edward Island d.2012 Edmonton, Alberta}

^{Billy Decoste}^{b.1951 d.1955 Cha, Prince Edward Island}		^{Muriel Pearl Vessey}^{b.1906 d.1986}

^{Cindy Decoste}^{b.1952 Cha, Prince Edward Island d.2017 Cha, Prince Edward Island}



	^{Gertrude Teresa Martell}^{b.1931 d.1952 Cha, Prince Edward Island}