从下列选取 [generation] [to the children] (2) [to the grandchildren] (7) [to the great-grandchildren] (16) [to the [nth (generation)] generation] (21) [to the [nth (generation)] generation] (31) [to the [nth (generation)] generation] (45) [to the [nth (generation)] generation] (57) [to the [nth (generation)] generation] (58)