Friday, 30 April 2010 00:00Frederick von Seydewitz, of Amityville, previously of Valley Stream, passed away March 29, 2010. Longtime dedicated professional greeter/doorman and pallbearer at many Long Island funeral homes. Brother of Letty Goldfeder and Kenneth and Irene von Seydewitz. Uncle of Mitch and Janis, Greg and DeAnna, Ashley and John, StevieLee and several grandnieces and grandnephews. Arrangements were made by Arthur F. White Funeral. Home. A prayer service was held April 2 at the funeral home with interment following at Pinelawn Memorial Park.