Lineage of Iyoku Choyu

12 generations above

• Xuedou Zhijian

11 generations above

• Tiantong Rujing1163–1228

10 generations above

• Dōgen1200–1253

9 generations above

• Koun Ejō1198–1280

8 generations above

• Tettsū Gikai1219–1309

7 generations above

• Keizan Jōkin1264–1325

6 generations above

• Gasan Joseki1275–1366

5 generations above

• Taigen Soshin

4 generations above

• Baizan Monpon

3 generations above

• Jochu Tengin1363–1437

2 generations above

• Shingan Doku1374–1449

1 generation above

• Senso Esai1409–1475

1 generation below

• Mugai Keigon1436–1517

2 generations below

• Nenshitsu Yokaku1440–1516

3 generations below

• Sesso Hoseki