What's Bred in the Bone by Grant Allen

While Montague Nevitt was thus congenially engaged in pulling off his treble coup of settling his own share in the Rio Negro deficit, pocketing three thousand pounds, pro tem, for incidental expenses, and getting Guy Waring thoroughly into his power by his knowledge of a forgery, two other events were taking place elsewhere, which were destined to prove of no small importance to the future of the twins and their immediate surroundings. Things generally were converging towards a crisis in their affairs. Colonel Kelmscott's wrong-doing was bearing first-fruit abundantly.

For as soon as Granville Kelmscott received that strangely-worded note from Gwendoline Gildersleeve, he proceeded, as was natural, straight down, in his doubt, to his father's library. There, bursting into the room, with Gwendoline's letter still crushed in his hand in the side pocket of his coat, and a face like thunder, he stood in the attitude of avenging fate before his father's chair, and gazed down upon him angrily.