父系亲属：paternal relative, agnate
父系祖先：paternal ancestor
母系亲属：maternal relative
母系祖先：maternal ancestor
曾祖父：great grandfather
祖父：grandfather on the paternal side
祖母：grandmother on the paternal side
外祖父：maternal grandfather
外祖母：maternal grandmother
爷爷，外公：granddad, grandpa
父母：parents
父亲：father
母亲：mother
爸爸：dad, daddy, papa, pa. dada
妈妈：mama, many, ma, mum
伯，叔，姑父，舅父，姨夫：uncle
姑母，伯母：aunt on the spear side
姨妈，舅妈：aunt on the distaff side
岳父，公公：father-in-law
岳母，婆婆：mother-in-law
哥哥：elder brother
弟弟：younger sister
孪生兄弟：twin brother
孪生姐妹：twin sisters
大舅子，大伯子，小叔子，妹夫，姐夫：brother-in-law
女婿：son- in-law
表兄弟，堂兄弟：cousin
儿子：son
女儿：daughter
孙子：grandson
孙女：grand daughter
外孙：maternal grandson
外孙女：maternal granddaughter
侄儿，外甥：nephew
侄女，外甥女：niece
曾孙：great grandson
