Mich. Comp. Laws § 558.52

Sec. 2. Where dower in any lands may be claimed by 2 or more widows, the 1 whose husband was first seized therein, shall be first entitled thereto, and in all cases where dower in any land shall have been assigned, or where it shall appear that the owner or owners, or person or persons having an interest therein, shall have made full satisfaction to, and has obtained a discharge from the person recovering or having a prior right to dower therein by reason of the prior seizen of her husband, the said land shall not be subject to any other claim for dower during the lifetime of the person so recovering or who has received satisfaction and given a discharge as aforesaid.