Section 1013. Actions where defendants claim in severalty

In an action to
  recover dower, in a distinct  parcel  of  real  property  of  which  the
  plaintiff's  husband  died  seized, or in all the real property which he
  aliened by one conveyance, all the persons in possession of, or claiming
  title to, the property, or any part thereof,  may  be  made  defendants,
  although  they  possess  or claim title to different portions thereof in
  severalty.