[ 后代 of Mary Lawrence]

[to the [nth (generation)] generation]

 0─┬ Mary Lawrence &1823 Elias Simmons †1850
   ├─1━━ William Simmons ca 1825-
   ├─2── Mary Simmons ca 1832-
   └─3━━ John Simmons

[total][:] 3 后代 (5 [persons] [with] [spouses])