William C. Nelson, III, "Clark", died on Thursday, December 8, 2016 in Metairie, LA, at age 67. He is survived by his mother Nathalie G. Nelson, and his siblings Barbara M. Nelson, Shelby G.H. Nelson, Christine "Tina" Montet (Stephen) and Nathalie N. Bergeron (Tommy); nieces and nephews Corbin D. Goertz, Mark J. Goertz, Pierre D. Montet, Jean A. Montet, Charlotte A. Ward and Isabelle R. Ward; and grandnieces Marissa Goertz, Embrey Goertz and Meredith Montet. Relatives and friends of the family are invited to attend the Funeral Service on Monday, December 19, 2016 at 10:00 a.m. at Lake Lawn Metairie Funeral Home, 5100 Pontchartrain Blvd, New Orleans, LA 70124. Visitation will begin at 9:00 am until service time. Interment will take place following the service in Metairie Cemetery.