The process is like applying for probate with a will, but you will need to fill out the application, tell the beneficiaries, post a bond to the court, obtain the certificate of appointment, and complete the estate information return. In addition, a probate lawyer will advise you that only residents of Ontario can apply to be an estate trustee of a person who died without a will. Further, there are rules that dictate the order in which people can apply. This is usually a spouse, common-law partner, or child.