לדור ה12
0━┳▷ David Rodney Ian Cowan 1951 &1977 Jacqueline Ann Capener 1951 ┣━1━━ James Andrew Robert Cowan 1981 ┣━2── Georgina Denise Cowan 1984 ┗━3━━ Christopher Francis Cowan 1987
סה'כ: 3 צאצאים (5 אנשים עם [spouses])
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