A sister, Matsuhime, married Maeda Yoshinori, lord of the Kaga Domain, which was the richest domain in Japan outside the Tokugawa's own holdings. Muneharu did not marry, but had numerous concubines.
Matsuhime, a sibling, married Maeda Yoshinori, the ruler of the prosperous Kaga Domain, surpassing even the Tokugawa's own domains in wealth. In contrast, Muneharu chose not to wed, instead maintaining a household with numerous female companions.