(a) Any person who alone or with others has, either at law or in equity, any vested freehold estate, whether in possession, remainder or otherwise;
(b) Any person in whom alone or with others a contingent remainder would vest, either at law or in equity, if the contingency or event upon which the remainder is to vest, or determining who the remainderman or remaindermen are, should happen at the time of the commencement of the suit;
(c) Any one or more of the remaindermen in being at the time of commencement of the suit, when there is, either at law or in equity, a vested remainder liable to open and let in afterborn children, or to open and let in members of any class;
(d) Any person who alone or with others has, either at law or in equity, a base, qualified, conditional or limited fee, or any other qualified, limited or determinable freehold estate, or any freehold estate which is subject or liable to be terminated or defeated by the vesting of any executory interest or executory devise or by the happening or nonhappening of any condition, limitation or event, or to whom an executory interest or executory devise of a freehold estate, not following an estate in fee simple, is granted or devised;
(e) Any trustee whose estate or interest is such that he might have filed such bill had he held such estate or in his own right; and also any beneficiary of any such trust. Any beneficiary of any such trust whose estate or interest is such that he might have filed such bill, if such estate or interest were a legal estate or interest; and also the trustee of any such trust;
(f) Any purchaser or assignee, at law or in equity, from any person of any estate or interest which would entitle such latter person to file such bill had he not sold or assigned such estate or interest;
(g) A married woman, as if she were feme sole, if otherwise entitled to file such bill;
(h) The guardian of any infant, or the committee of any insane person or convict, if such infant or insane person or convict would, but for such infancy, insanity or conviction, be entitled to file such bill.