[to the [nth (generation)] generation]
0━┳ William J. Flack &ca 1932 Marjorie Olive May Scutts ca 1912 ┣━1── Doreen M. Flack ca 1934 ┗━2━━ John C. Flack ca 1937
[total][:] 2 后代 (4 [persons] [with] [spouses])