You have a handwritten will. What other forms do you need to settle your cousins estate?

Generally, you need to take the will and a certified copy of the death certificate to the probate court and petition to be appointed the executor of the estate unless some other person is named as executor in the will. The court will provide the necessary documents for filing and also provide instructions for publishing a notice and notifying the heirs at law and beneficiaries under the will. The will must be examined by the court and if found to be valid it will be allowed and the petitioner will be appointed if there are no objections. If there are substantial assets or real estate you should consult with an attorney who specializes in probate law.