-In all suits and proceedings in chancery, if there be any person interested in the same or in the subject matter involved therein, or whose name appears in the records of any public office as having at any time claimed any right, title, interest or estate in the subject matter of the suit or any portion thereof or any lien or charge thereon without having conveyed or released the same, or who might at any time under the provisions or legal effect of any instrument of record claim or be entitled to claim any benefits thereunder, and it is not known whether such person is living or dead, or where he may reside if living, or whether the title, interest, claim, lien or possible right has

19. Morrison v. Semer, supra; Corrigan v. Hinkley, 125 Mich. 125; Taylor v. Roniger, 147 Mich. 99; Cook Land Co. v. McDonald, 155 Mich. 175.

20. Morrison v. Semer, supra; Croskery v. Bush, 116 Mich. 288;

Corrigan v. Hinkley, supra; Bate-son v. City of Detroit, 143 Mich. 582

21. Horton v. Helmholtz, 149 Mich. 231.

22. Triangle Land Co. v. Nessen, 155 Mich. 463.

been by him assigned to any person or persons, or if dead whether he has personal representatives or heirs living or where they or some of them may reside, or whether such title, interest, claim, lien or possible right has been disposed of by will, it shall be lawful to make such person and every one claiming under him defendants in such suit or proceeding by naming such person and adding the words "or his unknown heirs, devisees, legatees, and assigns," which shall include and be construed to include all persons claiming in any manner under the person named as originally interested in such subject matter. If the subject matter be real estate, such addition shall include and be construed to include all persons who might claim under the person named any dower or homestead right, whether the same shall be vested or inchoate at the time of beginning suit, or proceeding. In all suits and proceedings in chancery, if there be persons interested in the same, as heirs of some person or persons deceased, whose names are unknown, it shall be lawful to make such unknown heirs parties defendant to such suit or proceeding by the name and description of unknown heirs of such deceased person.23