His grandson, Masakata MATSUDAIRA, who was the third lord of the Aizu Domain, made his retainer, Rinsei IIZUKA (1677 - 1751), study under Soetsu IKEI; thus this lineage was called the Aizu-Ikei-ha branch.
孫の3代藩主松平正容が家臣の飯束林清（1677年～1751年）を怡渓宗悦に入門させ伝授を得て会津怡渓派と称するようになった。