Sjaardema, John Frank, age 74, of Green Brook, NJ, passed away on Tuesday, December 5, 2017. Born in Paterson and raised in Hawthorne, John had lived most of his life in Woodbridge before moving to Green Brook. John was the beloved son of the late Frank F. Sjaardema and the late Louise Bokma Sjaardema. Loving brother of Brent Sjaardema of Hawthorne. He is survived by his cousins Katherine Ann Witt and her husband William of Dillsburg, PA, Lauren Church and her husband Robert of Underhill, VT, Karen Moodie and her husband Terry of Lebanon, Charles Van Der Eems and his wife Brenda of Hawthorne, and Anne Louise Davis and her husband Ed of Schwensksville, PA A graveside service will be held at 10:15 AM on Thursday, December 7, 2017 at Laurel Grove Memorial Park in Totowa.