relative 亲戚，亲属
(中文当中提到亲戚，似乎都是指关系较远的。但英文中 relative 这个词指的就是 members of your family，也包括亲近的家人，如 wife, husband, son, daughter 等。)
All her relatives came to the wedding.
她所有的亲戚都来参加了婚礼。

blood relatives 有血缘关系的亲戚
parents 父母 - mother (Mom) / father (Dad)
grandparents (外)祖父母 - grandmother (grandma) 外婆或奶奶 / grandfather (grandpa) 外公或爷爷
great-grandparents 爷爷奶奶或外公外婆的父母
grandchildren (外)孙(女) - grandson 外(孙)／granddaughter (外)孙女
sibling - brother and sister 兄弟姐妹（注意：堂表兄弟姐妹不能被称为 brother 或者 sister）
cousin - 堂／表兄弟姐妹
uncle - 叔叔，舅舅
aunt - 阿姨，姑妈，舅妈
nephew - 侄子，外甥
niece - 侄女，外甥女

distant relatives 没有血缘关系的亲戚
英文释义为 relatives who are related to us but not by blood 没有血缘关系的亲戚，比如由于婚姻，收养等形成的亲戚关系
spouse - 配偶，夫或妻
Spouse is the person you are married to such as a husband or wife.
When we get married to our spouses, their families becomes ours, but they become our families by “law”.
当我们结了婚之后，我们配偶的家人就成了我们“法律意义上的”家人。
parents in law 岳父母，公公婆婆 - father in law 岳父，公公／mother in law 岳母，婆婆
brother in law (配偶的)兄弟
sister in law (配偶的)姐妹
step-mother 继母
step-father 继父
blended family 继亲家庭，组合家庭