When a husband Is compelled to seek the aid of a court of equityfor the purpose of obtaining the possession or control of his wife’s estate, that court willrecognize the right of the wife to have a suitable and reasonable provision made, bysettlement or otherwise, for herself and her children, out of the property thus broughtwithin its jurisdiction. This right is called the “wife’s equity,” or “equity to a settlement.”See 2 Kent, Comm. 139.