Correct

班辈

/ bān bèi / 
Strokes

Definition

seniority in the family/pecking order

Example

As a Noun

seniority in genealogy or in year of graduation, etc

1
Tā
他
de
的
bānbèi
班辈
bǐ
比
wǒ
我
gāo
高
  
。

He ranks as my senior in the family.