natural blood relation

The Parentage definiting of dual legislation pattern refers to the natural blood relation's children divides into the child born in wedlock and the non-child born in wedlock in the concept, distinguishing the stipulation in the legislation.
亲子关系确定二元立法模式是指对自然血亲的子女在概念上分为婚生子女和非婚生子女，并且在立法上区别规定。