| Sources |
- [S500001] Byrnes Web Site, Geoff Byrnes, https://www.myheritage.com/person-1000606_174758321_174758321/sydney-edwin-syd-cowan (Reliability: 3).
Individual added by confirming a Smart Match
- [S500011] Geni World Family Tree, (MyHeritage) (Reliability: 4).
Sidney Edwin Unknown<br>Gender: Male<br>Birth: 1910 - Taree, New South Wales, Australia<br>Death: May 28 1993 - New South Wales, Australia<br>Father: <a>Colin Cowan</a><br>Mother: <a>Ada May Cowan (born Smith)</a><br>Siblings: <a>John Murdock Unknown</a>, <a>Colin James Unknown</a>, <a>George Alfred Unknown</a>, <a>Janet May (born Cowan)</a>, <a>Henry Leo Unknown</a>, <a>Violet Mary (born Cowan)</a>, <a>Muriel Evelyn ("Dolly") (born Cowan)</a>, <a>Wilfred (Frederick) Stanley Unknown</a>, <a>Irene Isobel (Tib) (born Cowan)</a>, <a>Lillian Florence (born Cowan)</a>
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