In the midst of confusion from the Meiji Restoration, the then family head Haruo TSUCHIMIKADO (1827-1869) took over the tenmongata of old shogunate, and governed astronomical research and map making surveys.
明治維新の混乱に乗じて時の当主土御門晴雄（1827-69）は旧幕府の天文方を接収して、天文観測や地図測量の権限を手中に収めた。