12. sugupõlveni
0─┬
Jacqueline Ann Capener 1951 &1977 David Rodney Ian Cowan 1951
├─1━━
James Andrew Robert Cowan 1981
├─2──
Georgina Denise Cowan 1984
└─3━━
Christopher Francis Cowan 1987
Kokku: 3 järeltulijad (5 isikud koos [spouses])