bloodline
noun[C]
uk/ˈblʌd.laɪn/us/ˈblʌd.laɪn/all themembersof afamilygroupofpeopleoranimalsover aperiodoftime,especiallywhenconsideringtheirsharedfamilycharacteristics:
血统;(动物的)种系Ismailisbelievethat a bloodlinejoinstheAgaKhan toMohammed.伊斯玛仪派穆斯林相信阿迦汗和穆罕穆德属于同一血统。
This is apedigreepoodle- her bloodline ispure.这是一条纯种的鬈毛小母狗——是纯种的。
your ancestors
- ancestorI discovered that one of my ancestors was a member of King Henry VIII's court.
 - forebearMy forebears were enslaved and brought to this country.
 - forefatherI visited the land of my forefathers.
 - ancestryDNA tests tell me that I have Central Asian ancestry.
 - extractionMy family is of Italian extraction.
 - family treeSince many families will be gathering for the holiday, it's a perfect time to create a family tree.
 
Family: ancestors & descendants
- ancestor
 - ancestral
 - ancestry
 - be in the/someone'sbloodidiom
 - blood
 - blood is thicker than wateridiom
 - distaff
 - family tree
 - forbear
 - forebear
 - forefather
 - genealogy
 - generation
 - heraldic
 - heraldry
 - lineage
 - lineal
 - run in the familyidiom
 - sandwich generation
 - successor