这个家族将自己的世系追溯到诺曼征服者.The family has traced its ancestry to the Norman invaders.他们的世系可以直接追溯到18世纪。They can trace their lineage directly back to the 18th century.按照父权制计算世系.Descent in the male line....

“世系”的英语可以翻译为：loodline，stock，pedigree，genealogy，descent ...

“世系”的拼音为：shì xì...