Then, Motoyasu YAMAWAKI, the twelfth married a daughter of Mototeru YAMAWAKI, the eleventh, becoming an heir to the Soke family: however, he was unable to bring the school together due to love affairs and lack of talent, and in the end, he retired from Kyogen, leaving the Izumi school without a Soke head.
その後、十二世山脇元康が十一世の遺子と縁組みをして宗家を継承したものの、女性問題や芸力の不足によって流内の統一をはかることができず、ついに狂言を廃して、和泉流は宗家不在の状態となった。