Unfatherly

Shall we come thus far, and in such post haste, And have our children here, and both within, And not behold them e’er our back-return? It were unfriendly, and unfatherly.

Source: wiktionary

Mr. Palmer maintained the common, but unfatherly opinion among his sex, of all infants being alike; and though she could plainly perceive, at different times, the most striking resemblance between this baby and every one of his relations on both sides, there was no convincing his father of it […]

Source: wiktionary

At first, Mr. Weller received with wry faces a proposition involving the marriage of anybody in whom he took an interest; but, as Mr. Pickwick argued the point with him, and laid great stress on the fact that Mary was not a widow, he gradually became more tractable. Mr. Pickwick had great influence over him, and he had been much struck with Mary’s appearance; having, in fact, bestowed several very unfatherly winks upon her, already.

Source: wiktionary

Alladad Khan, left alone, dandled unhandily his child in unfatherly arms.

Source: wiktionary