John G.P. Leek, 90, of Sandusky, OH., formerly of Oberlin, OH. Passed away peacefully on November 15, 2019 at his residence. He was born in the Netherlands in 1929. He and his wife Mary emigrated to the U.S. in 1961, became Residents of Oberlin in 1964 and a U.S. citizen in 1968. As Curator of Pipe Organs, he worked at the Conservatory of Music at Oberlin College from 1964-1976, after which he started his own business as a Pipe Organ and Harpsichord Builder until retirement in 1992. He was a member of Sacred Heart Catholic Church for more than 50 years and held functions as Parish Council President, Usher, and Altar Server during funerals. Survivors include his wife, Mary, of 59 years; daughter, Paula Hermes (Richard) of Bowling Green, OH.; sons, James (Natalie) of North Olmsted and Peter of Elyria; 4 grandchildren, Meagan, Aaron, Stephanie, and Craig; sisters, Anna Kroon, Marie Bezuyen, Gerda Bakkum, Ina Kleverlaan, Marion de Gram, and many nieces and nephews, all living in the Netherlands. He was preceded in death by his parents, Petrus and Cornelia Leek (nee Brantjes); brothers, Jaap and Piet; sisters, Greta and Cornelia and 2 nephews.A memorial Mass will be Celebrated at Sacred Heart Catholic Church, 410 West Lorain Street, Oberlin, Monday, November 25, 2019 at 11 AM. Rev. Fr. David Trask will be the Celebrant. Burial will be at New Russia Township Cemetery following the Mass. In lieu of flowers donations can be made in John's name to Sacred Heart Catholic Church 410 West Lorain Street Oberlin, OH. 44074 Arrangements were entrusted to the Laubenthal-Mercado Funeral Home and Cremation Service of Elyria, 440-322-4626. Online condolences may be expressed to the family at www.laubenthalmercado.com