从下列选取 [generation] [to the children] (7) [to the grandchildren] (13) [to the great-grandchildren] (15) [to the [nth (generation)] generation] (16) [to the [nth (generation)] generation] (17) [to the [nth (generation)] generation] (21) [to the [nth (generation)] generation] (23) [to the [nth (generation)] generation] (27)