从下列选取 [generation] [to the children] (2) [to the grandchildren] (4) [to the great-grandchildren] (8) [to the [nth (generation)] generation] (9) [to the [nth (generation)] generation] (10) [to the [nth (generation)] generation] (16) [to the [nth (generation)] generation] (22) [to the [nth (generation)] generation] (30) [to the [nth (generation)] generation] (31)