Section 1. Be it enacted by the Senate and House of Representatives of the Commonwealth of Pennsylvania in General Assembly met, and it is hereby enacted by the authority of the same, That in all cases where real, or personal, estate has been held by tenants in common, co-tenants, joint tenants, or in partnerships, and who have died intestate, without heirs, or any known kindred, such estate shall escheat to the commonwealth, subject to all legal demands on the same.