1N-UNCOUNT 家谱学;系谱学;宗谱学Genealogy is the study of the history of families, especially through studying historical documents to discover the relationships between particular people and their families. 家谱学;系谱学;宗谱学
genealogical
...genealogical research on his family.
对他家族的家谱研究
2N-COUNT [usually with poss]家谱;宗谱 A genealogy is the history of a family over several generations, for example describing who each person married and who their children were. 家谱;宗谱
He had sat and repeated his family's genealogy to her, twenty minutes of nonstop names.