While your existing policies may provide substantial insurance liability limits, a personal liability umbrella policy could provide additional liability coverage beyond that provided by your auto, homeowners and other personal liability policies. (statefarm.com)
Personal liability policies with no other coverage are hard to find, unless you need excess coverage in the form of an umbrella. (effectivecoverage.com)
An umbrella personal liability policy extends the basic coverage provided in different types of liability coverage, including home, auto, boat and tenant policies. (investopedia.com)