As anaph. or pers. pron.: (a) the persons referred to, they; (b) used pleonastically or for emphasis; (c) with antecedent in apposition following; (d) as obj. of verb or prep.: them, those; (e) with……
As direct obj. of a verb or an inf.: (a) with ref. to persons or personifications: them;—sometimes used pleonastically and occas. with sg. antecedent; also followed by inf. [quot. a1400 (a1325), 1st]……
Their, of them;—modifying a noun denoting something in the charge, control, or possession of the persons referred to; their armes (hors, lond, etc.).
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(a) Used anaphorically, pointing to previously mentioned persons, things, actions, etc.: these, they; also, these, them [quots. 1st & c1450(?a1400)]; alle thir; also, pointing to one of two previously……