Ueda Castle
Komatsuhime was known in her childhood as Inahime (稲姫) and also Onei (於小亥). After witnessing the martial prowess of the Sanada at the First Battle of Ueda Castle, she and her father were captivated by them. Tokugawa Ieyasu himself arranged for Komatsuhime to marry Sanada Nobuyuki, the son of the Sanada lord.