lineal relative by blood

基本解释

I and may partner are unmarried without lineal relative by blood and collateral relatives by blood up to three generations and know the health status of each other.
本人与对方均无配偶，没有直系血亲和三代以内旁系血亲关系，了解对方的身体健康状况。
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The direct lineal descendants of relative by blood and order, it refers to and his with indirect blood relationship, namely except lineal relatives by blood, and their outside of the same origin kin.
旁系血亲相对直系血亲而订，它指与自己具有间接血缘关系的亲属，即除直系血亲以外的、与自己同出一源的血亲。