 He had a falling out with his oldest son, and consequently there are only very scanty records concerning that son.Sōtan arranged for his second son, Ichiō Sōshu, to be adopted into the family of a lacquer ware artisan at a young age.Sōshu, however, later on chose to carry on the tea tradition of his forefather, Rikyū, and built a tea house where he was living at on Mushakōji street, to dedicate himself to that pursuit.