She regularly opened salons at her villa , frequented by artists , musicians and philosophers .
Busch became friends with Kessler 's wife , Johanna , a mother of seven and an influential art and music patron of Frankfurt .
Johanna regularly opened salons at Johanna 's villa , frequented by artists , musicians and philosophers .
Busch became friends with Kessler 's wife , Johanna , a mother of seven and an influential art and music patron of Frankfurt .