My uncle is my nearest relative.

我叔叔是我血缘最近的亲戚。

youdao

If his father had no brothers, give his inheritance to the nearest relative in his clan, that he may possess it.

他父亲若没有弟兄，就要把他的产业给他族中最近的亲属，他便要得为业。

youdao

If one of your countrymen becomes poor and sells some of his property, his nearest relative is to come and redeem what his countryman has sold.

你的弟兄，若渐渐穷乏，卖了几分地业，他至近的亲属就要来把弟兄所卖的赎回。

youdao

Initial findings have revealed that 15% of the gorilla genome is closer to human DNA than to our nearest evolutionary relative, the chimpanzee.

CNN: First gorilla genome map offers clues to human evolution