[to the [nth (generation)] generation]
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
[total][:] 3 后代 (5 [persons] [with] [spouses])