[to the [nth (generation)] generation]
0━┳
Alfred T. Wightwick &ca 1949 Amy E. M. Scutts ca 1930
┣━1━━
Alfred M. Wightwick ca 1951
┣━2━━
Michael K. Wightwick ca 1952
┗━3──
Kim S. Wightwick ca 1958
[total][:] 3 后代 (5 [persons] [with] [spouses])