Hence, Sadanari KATAGIRI was adopted from Koizumi Domain, which was founded by Katsumoto's younger brother Sadataka KATAGIRI, but unfortunately became another heir dying young, passing away in February 1694 at the age of 17.
このため、且元の弟・片桐貞隆から始まる小泉藩の一族・片桐貞就を養嗣子として迎えて後を継がせたが、この貞就も元禄7年（1694年）2月に17歳の若さで死去。