Holthof, Grant Daniel Grant Daniel Holthof, age 28, of Comstock Park, formerly of Hudsonville, on Saturday, November 8, 2014, due to a broken heart, tragically decided to end his own life.  He will be lovingly remembered by his parents, Dan and Julie Holthof; sisters and brothers, Paige Holthof, Parker (Ally Byrnes) Holthof, Porsha Holthof, London Holthof, Pierson Holthof;  new nephew, Landon Grant; grandparents, John and Jo Mackus, Albert and Lillian Holthof; many loving aunts, uncles, and cousins.  A memorial service will be held on Sunday 11 AM at Holland Seventh-Day Adventist Church, 11279 Ottogan Street, Holland, MI  49423 with Pastor Gene Hall officiating.  In lieu of flowers, donations may be made to the family.