直系祖先 zhí xì zǔ xiān

DEFINITIONS

  1. direct ancestor

CHARACTERS

直 zhí
HSK 3
straight, erect, vertical
系 xì
HSK 1
system; line, link, connection
祖 zǔ
HSK 6
ancestor, forefather; grandfather
先 xiān
HSK 1
first, former, previous