Separating members on a common stripe account

How to separate members on the 2 ghost blogs which are connected by a single stripe account.

I have 2 blogs which are connected to my stripe account. Now the problem is when there is a member who purchases a subscription on one of the blog. He gets a membership to both the blogs due to a common stripe account.

If I get another stripe account and try to add, Ghost tells me I cannot do this as there are already members on the existing stripe accounts.

This double entry is now a small problem but with more members, it is becoming a pain as the members are getting emails from both blogs and not the one they wish.

Please let me know of an elegant solution.