Erica K. Knudson Eckhardt, 59, of Summit, N.J. died Nov. 13 at her home. Survivors include her husband, Gary Eckhardt; her mother, Martha Knudson; and her children, Bryan, Andrew and Christine. Her father, Louis Knudson, predeceased her. A private graveside service will be held in the Oak Grove Cemetery, Vineyard Haven. Donations may be made in her memory to an Island charity of one's choice.