adj.家系的，血统的；（动植物）系统的，家谱的，宗谱的，系谱的

He spent years researching his family's genealogical tree.
他花费多年研究家族的家谱。
The genealogical records date back to the 15th century.
这些族谱记录可以追溯到15世纪。
She was fascinated by the intricate web of genealogical connections in her family.
她对家族中错综复杂的血缘关系着迷。
The museum houses a vast collection of genealogical documents.
博物馆收藏了大量的族谱文件。
They traced their genealogical roots to ancient Greece.
他们追踪自己的家族根源到古希腊。
His hobby is studying the genealogical history of famous families.
他的爱好是研究名门望族的家系历史。
The genealogical chart revealed surprising connections between the two families.
族谱图表揭示了两个家庭之间令人惊讶的联系。
She's an expert in genealogical research and has helped many people find their ancestors.
她是族谱研究的专家，帮助许多人找到了他们的祖先。
The royal family's genealogical line is meticulously documented.
王室的族谱被精心记录下来。
Through DNA testing, he discovered new branches on his genealogical tree.
通过DNA测试，他发现了家谱上新的分支。