Muneatsu DATE, a prefectural governor of Sendai Domain, and Munenori DATE of Uwajima Domain set up a new branch family in 1889 and 1892 respectively, and both were granted a title of baronage.
1889年に仙台藩知事伊達宗敦、1892年に宇和島の伊達宗倫がそれぞれ分家し男爵を授爵。