輩分

辈分
bèifen
  1. seniority in the family or clan; position in the family hierarchy
  2. Taiwan pr. bèifèn

CEDICT

seniority among generations in a family or clan; position in the family hierarchy

Wiktionary

親族世交長幼次序

重編國語辭典

一個人家族中的地位長幼順序

維基詞典

Entry Composition