家谱的英语是genealogy。
genealogy，美/ˌdʒiːniˈælədʒi/，英/ˌdʒiːniˈælədʒi/，n.宗谱；血统；家系；系谱学。
双语例句
1、The old man repeated his genealogy to me.
这个老人一遍遍地对我细数他的家谱。
2、I found out from this genealogy that my grandfather had an older brother.
我从这本家谱上发现我的爷爷原来有个哥哥。
3、The documentary tells the genealogy of birds.
纪录片讲述了鸟的进化路线。
4、After studying her genealogy, she found her ancestors came from another country.
了解了她的家谱后，她知道了自己祖上来自另一个国家。
5、This is a Xibe family genealogy.
这个是锡伯族家中的家谱。
6、And yet even I don't care about my genealogy.
但就算如此，我也不会在乎我的家谱。
7、Right. A genealogy should be a thick book.
哎，这家谱不是应该厚厚的一本吗。
多儿的妈咪
