[to the [nth (generation)] generation]
0━┳
Paul David Harper &1983 Jennifer May Scutts 1961
┣━1──
Casey May Harper 1989
┣━2━━
Lachlan Paul Harper 1991
┗━3━━
Samuel Peter Bush Harper 1996
[total][:] 3 后代 (5 [persons] [with] [spouses])