In case any person has been or shall be absent for seven or more successive years from the place of his last domicile within this state; or, having been a resident of this state, has heretofore gone from and has not returned to this state for seven or more successive years; or, being a resident of this state, shall hereafter go from and not return to this state for seven or more successive years; or, being a nonresident of this state and being entitled to, or having an interest in, property in this state, has been or shall be absent for seven or more successive years from the place of his last-known domicile; and in any of the foregoing cases shall for such period of time have been, or shall be, unheard of by those who, had he been alive, would naturally have heard of him such person shall, in any case where his death shall come in question, be presumed in law to be dead, in the absence of proof to the contrary, or unless proof be made that he was alive within that time.