Not sure if this is the word you seek, but another word for "last name" is surname.
It is secondary to their given name, shared by all members of the family.
"My surname" means 'my family name' or 'my last name' in English. It refers to the name shared by family members to signify their familial connection.
A full name includes both the first name and last name of an individual. The last name, also referred to as the surname or family name, is traditionally passed down from one's parents and is shared by other family members.
a nother word for family members
A surname, also known as a last name or family name, is the name shared by family members. It is usually passed down from one generation to the next. A given name, also known as a first name or forename, is the personal name that is given to an individual at birth or during a naming ceremony. It distinguishes one individual from others in the same family.
A first name is the name given to an individual at birth or during a naming ceremony, indicating their personal identity within a family or society. A last name (surname) is typically inherited from one's family and is shared with other family members, serving to identify lineage and ancestry.
Argon's family members names are, Helium, Neon, Itself, Krypton, Xenon, and Radon.
The Medici family produced four popes.
Mary
Selena Gomez Has Many Cousins And Family Members . One Of Her Family Members Is "Brandon Newsom" In Texas , And She Has A Very Close Cousin Name : Ayat Gomez .
Names of family members are capitalized except when accompanied by a pronoun before the name.
They are not members of the pig family