親等
（羅馬法）
直系
旁系
0
2
4
6
8
10
12
長輩
9
鼻祖父母
Great-great-great-great-great-great-great-grandparent
鼻祖伯叔姑父母
Great-great-great-great-great-great-great-grand uncle/Great-great-great-great-great-great-great-grand aunt
從鼻祖伯叔姑父母
First cousin nine times removed
8
遠祖父母
Great-great-great-great-great-great-grandparent
遠祖伯叔姑父母
Great-great-great-great-great-great-grand uncle/Great-great-great-great-great-great-grand aunt
從遠祖伯叔姑父母
First cousin eight times removed
7
太祖父母
Great-great-great-great-great-grandparent
太祖伯叔姑父母
Great-great-great-great-great-grand uncle/Great-great-great-great-great-grand aunt
從太祖伯叔姑父母
First cousin seven times removed
二從太祖伯叔姑父母
Second cousin seven times removed
三從太祖伯叔姑父母
Third cousin seven times removed
6
烈祖父母
Great-great-great-great-grandparent
烈祖伯叔姑父母
Great-great-great-great-grand uncle/Great-great-great-great-grand aunt
從烈祖伯叔姑父母
First cousin six times removed
二從烈祖伯叔姑父母
Second cousin six times removed
三從烈祖伯叔姑父母
Third cousin six times removed
5
天祖父母
Great-great-great-grandparent
天祖伯叔姑父母
Great-great-great-grand uncle/Great-great-great-grand aunt
從天祖伯叔姑父母
First cousin five times removed
二從天祖伯叔姑父母
Second cousin five times removed
三從天祖伯叔姑父母
Third cousin five times removed
四從天祖伯叔姑父母
Fourth cousin five times removed
五從天祖伯叔姑父母
Fifth cousin five times removed
4
高祖父母
Great-great-grandparent
高祖伯叔姑父母
Great-great-grand uncle/Great-great-grand aunt
從高祖伯叔姑父母
First cousin four times removed
二從高祖伯叔姑父母
Second cousin four times removed
三從高祖伯叔姑父母
Third cousin four times removed
四從高祖伯叔姑父母
Fourth cousin four times removed
五從高祖伯叔姑父母
Fifth cousin four times removed
3
曾祖父母
Great-grandparent
曾祖伯叔姑父母
Great-grand uncle/Great-grand aunt
從曾祖伯叔姑父母
First cousin thrice removed
二從曾祖伯叔姑父母
Second cousin thrice removed
三從曾祖伯叔姑父母
Third cousin thrice removed
四從曾祖伯叔姑父母
Fourth cousin thrice removed
五從曾祖伯叔姑父母
Fifth cousin thrice removed
2
祖父母
Grandparent
伯叔姑祖父母
Grand uncle/Grand aunt
從伯叔姑祖父母
First cousin twice removed
二從伯叔姑祖父母
Second cousin twice removed
三從伯叔姑祖父母
Third cousin twice removed
四從伯叔姑祖父母
Fourth cousin twice removed
五從伯叔姑祖父母
Fifth cousin twice removed
1
父母
Parent
伯叔姑父母
Uncle/Aunt
從伯叔姑父母
First cousin once removed
二從伯叔姑父母
Second cousin once removed
三從伯叔姑父母
Third cousin once removed
四從伯叔姑父母
Fourth cousin once removed
五從伯叔姑父母
Fifth cousin once removed
平輩
0
本人
Self
兄弟姐妹
Brother/Sister
從兄弟姐妹
First cousin
二從兄弟姐妹
Second cousin
三從兄弟姐妹
Third cousin
四從兄弟姐妹
Fourth cousin
五從兄弟姐妹
Fifth cousin
晚輩
1
子女
Child
甥姪
Nephew/Niece
從甥姪
First cousin once removed
二從甥姪
Second cousin once removed
三從甥姪
Third cousin once removed
四從甥姪
Fourth cousin once removed
五從甥姪
Fifth cousin once removed
2
孫子女
Grandchild
甥姪孫
Grand nephew/Grand niece
從甥姪孫
First cousin twice removed
二從甥姪孫
Second cousin twice removed
三從甥姪孫
Third cousin twice removed
四從甥姪孫
Fourth cousin twice removed
五從甥姪孫
Fifth cousin twice removed
3
曾孫子女
Great-grandchild
曾甥姪孫
Great-grand nephew/Great-grand niece
從曾甥姪孫
First cousin thrice removed
二從曾甥姪孫
Second cousin thrice removed
三從曾甥姪孫
Third cousin thrice removed
四從曾甥姪孫
Fourth cousin thrice removed
五從曾甥姪孫
Fifth cousin thrice removed
4
玄孫子女
Great-great-grandchild
玄甥姪孫
Great-great-grand nephew/Great-great-grand niece
從玄甥姪孫
First cousin four times removed
二從玄甥姪孫
Second cousin four times removed
三從玄甥姪孫
Third cousin four times removed
四從玄甥姪孫
Fourth cousin four times removed
五從玄甥姪孫
Fifth cousin four times removed
5
來孫子女
Great-great-great-grandchild
來甥姪孫
Great-great-great-grand nephew/Great-great-great-grand niece
從來甥姪孫
First cousin five times removed
二從來甥姪孫
Second cousin five times removed
三從來甥姪孫
Third cousin five times removed
四從來甥姪孫
Fourth cousin five times removed
五從來甥姪孫
Fifth cousin five times removed
6
昆孫子女
Great-great-great-great-grandchild
昆甥姪孫
Great-great-great-great-grand nephew/Great-great-great-great-grand niece
從昆甥姪孫
First cousin six times removed
二從昆甥姪孫
Second cousin six times removed
三從昆甥姪孫
Third cousin six times removed
7
仍孫子女
Great-great-great-great-great-grandchild
仍甥姪孫
Great-great-great-great-great-grand nephew/Great-great-great-great-great-grand niece
從仍甥姪孫
First cousin seven times removed
二從仍甥姪孫
Second cousin seven times removed
三從仍甥姪孫
Third cousin seven times removed
8
雲孫子女
Great-great-great-great-great-great-grandchild
雲甥姪孫
Great-great-great-great-great-great-grand nephew/Great-great-great-great-great-great-grand niece
從雲甥姪孫
First cousin eight times removed
9
耳孫子女
Great-great-great-great-great-great-great-grandchild
耳甥姪孫
Great-great-great-great-great-great-great-grand nephew/Great-great-great-great-great-great-great-grand niece
從耳甥姪孫
First cousin nine times removed