The Wakatsuki clan lineage obtained territory in the northern reaches of Shinano Province, but during the early Sengoku period (Period of Warring States), Hirotaka WAKATSUKI was attacked by the Murakami clan and ruined.
若槻氏の嫡流は信濃国北部に所領を得るが、戦国初期に若槻広隆が村上氏の攻撃を受けて滅亡する。