Futurity:  Leaving Fido all your worldly goods may sound like a good way to treat man’s best friend, but what happens to the inheritance after a pet dies is a matter of debate.

The issue has been in the news recently. British fashion designer Alexander McQueen, who died in February, left a sizeable sum of money to his beloved dogs—and Trouble, the recently deceased dog of Leona Helmsley, famously inherited $12 million.

It’s not just wealthy celebrities leaving provisions for pets in their wills. Between 12-27 percent of owners do so.