Form 21.01 - Affidavit in Support of Application for Change of Name of Adult (MUST be notarized PRIOR to filing at Court. File your completed affidavit and Request for Service form with the Cuyahoga County Clerk of Court.This form can be used to file an affidavit in support of court papers in the Cuyahoga County Domestic Relations Court. These forms must be filled out and submitted to the Clerk of the Court together. Pretrial Statement And Affidavit Form. This is a Ohio form and can be use in Cuyahoga County (Court Of Common Pleas).