他们的血缘关系可以追溯到同一个曾祖父。

Their ___kinship can be traced back to the same great-grandfather.

尽管他们来自不同的国家，但他们之间有一种莫名的亲切感。

Despite coming from different countries, they felt an immediate ___kinship between them.

这个部落的亲属关系制度规定了谁可以继承首领的位置。

The village's ___kinship rules decide who can inherit the chief's position.