你女儿没有被收养，你可以拿到1/2，前婚女儿能拿1/2

见以下表格蓝色行列。 

“if you die with ... spouse and at least one descendant from you and someone other than that spouse ...."

spouse => 你

at least one descendant ... => 前婚生女儿。

你的女儿和你的丈夫没有继承关系。

http://www.nolo.com/legal-encyclopedia/intestate-succession-oregon.html

 

Who Gets What in Oregon?

Under intestate succession, who gets what depends on whether or not you have living children, parents, or other close relatives when you die. Here’s a quick overview:

If you die with:	here’s what happens:
children but no spouse	children inherit everything
spouse but no descendants or parents	spouse inherits everything
spouse and descendants from you and that spouse	spouse inherits everything
spouse and at least one descendant from you and someone other than that spouse	spouse inherits 1/2 of your intestate property descendants inherit everything else
parents but no spouse or descendants	parents inherit everything
siblings but no spouse, descendants, or parents	siblings inherit everything