The genitive is used with verbs signifying to remember, remind, forget, care for , and neglect.
τῶν ἀπόντων φίλων μέμνησο
remember your absent friends 1.26, βούλομαι δ᾽ ῡ̔μᾶς ἀναμνῆσαι τῶν ἐμοὶ πεπρᾱγμένων
I desire to remind you of my past actions 4.41, δέδοικα μὴ ἐπιλαθώμεθα τῆς οἴκαδε ὁδοῦ
I fear lest we may forget the way home A. 3.2.25, ἐπιμελόμενοι οἱ μὲν ὑποζυγίων, οἱ δὲ σκευῶν some taking care of the pack animals, others of the baggage 4. 3. 30, τῆς τῶν πολλῶν δόξης δεῖ ἡμᾶς φροντίζειν
we must pay heed to the world's opinion Cr. 48a, τί ἡμῖν τῆς τῶν πολλῶν δόξης μέλει; what do we care for the world's opinion? 44 c, τοῖς σπουδαίοις οὐχ οἷόν τε τῆς ἀρετῆς ἀμελεῖν
the serious cannot disregard virtue 1.48, μηδενὸς ὀλιγωρεῖτε μηδὲ καταφρονεῖτε (cp. 1385) τῶν προστεταγμένων neither neglect nor despise any command laid on you 3. 48.