FREDERICK H. NIEDENSTEIN, 83, of OCEAN GROVE, died Saturday April 5 at the Jersey Shore University Medical Center, Neptune. Mr. Niedenstein worked in Public Relations for Eastern Airlines for 35 years before retiring. He was a lifeguard in both Ocean Grove and Bradley Beach, for more than 40 years, leading the lifeguard team to victories in many tournaments. Mr. Niedenstein was a founding partner of the Jersey Shore Fitness Shop in Bradley Beach, and 28 years later the Fitness Shop still thrives. He was a member of the Eagle Hook and Ladder Company of the Ocean Grove Fire Department. Mr. Niedenstein was a veteran of World War II, serving in the United Sates Army. Born in the Bronx, NY, he lived in Ocean Grove for the last 60 years. Surviving are his wife of 45 years, Anne Hulsey Niedenstein, his son, John Niedenstein, and his wife, Kim, of Wall Township, two daughters, Jill, and her husband, Jeff Grantz, of Columbia, SC and Karen and her husband, Ron Kluesener, of West Gilgo Beach, New York, seven grandchildren, Jake, Halie, Katie, Derrick, Christopher, Cameron and Casey, a niece Patty Kuester, a nephew Peter Milligan, a cousin, Joseph DeKens, and a grand niece, Heidi. Friends were invited to call from 2-4 and 7-9 PM Tuesday at the Ocean Grove Memorial Home, 118 Main Avenue, Ocean Grove. A memorial service was held on Wednesday at 10:00 AM at St. Paul's United Methodist Church, Ocean Grove. In lieu of flowers, contributions to the Eagle Hook and Ladder Company, 128 Main Avenue, Ocean Grove, N. J. 07756 or the National Parkinson Foundation, 1501 NW 9th Avenue - Bob Hope Road, Miami, Florida 33136-1494 or on line at www.parkinson.org would be appreciated.