SEPARATE ESTATE OF AN INTESTATE.

(a) If a person who dies intestate leaves a surviving spouse, the estate, other than a community estate, to which the person had title descends and passes as provided by this section.

(b) If the person has one or more children or a descendant of a child:

(1) the surviving spouse takes one-third of the personal estate;

(2) two-thirds of the personal estate descends to the person's child or children, and the descendants of a child or children; and

(3) the surviving spouse is entitled to a life estate in one-third of the person's land, with the remainder descending to the person's child or children and the descendants of a child or children.

(c) Except as provided by Subsection (d), if the person has no child and no descendant of a child:

(1) the surviving spouse is entitled to all of the personal estate;

(2) the surviving spouse is entitled to one-half of the person's land without a remainder to any person; and

(3) one-half of the person's land passes and is inherited according to the rules of descent and distribution.

(d) If the person described by Subsection (c) does not leave a surviving parent or one or more surviving siblings, or their descendants, the surviving spouse is entitled to the entire estate.