husband and wife father and
mother son and daughter
brother and sister cousin
mother-in-law father-in-law son-in-law
daughter-in-law brother-in-law
sister-in-law
Ex-husband Ex-wife Ex-girlfriend
stepmother stepsister
uncle:Uncle Sam (美国人）
aunt
nephew niece
grandmother grandfather grandson granddaughter
习语：
Father Christmas
God Father
Country cousin
like father like son
