John William Ludemann of Mattituck died on Jan. 13, 2021. He was 88 years old.

The family will receive visitors on Saturday, January 16 from 4 to 7 p.m. at the DeFriest-Grattan Funeral Home in Mattituck. Funeral services will be held on Sunday, Jan. 17 at 11:00 a.m. at the funeral home. Interment with U.S. Army honors will follow at the Cutchogue Cemetery.