patrilineal

/ˌpætrəˈlɪniəl/
adjective
  1. Relating to or based on kinship through the father's line.
    • In a patrilineal family, children take their father's surname.
    • The royal succession in that country follows a patrilineal system, so only sons can inherit the throne.
    • Patrilineal societies often give more authority to male family members.
Antonyms