Marc Edward Yonker was born on November 23, 1966 in Louisville, Kentucky to Carole and Gary Yonker. Marc was the 2nd of three children for Carole and Gary. Marcy was born 2 years earlier and Michael was born two years after Marc. Carole, a school teacher, teaching 6th grade and Gary, an electrical engineer, working for GE in Appliance Park. Carole and Gary Yonker met while attending school at the University of Buffalo in Buffalo, New York. After school Gary took a job at General Electric and the couple moved to Louisville to begin their life. The Yonker family lived in Louisville for a few years and moved to Cincinnati, OH where Gary Yonker took a job with then major toy maker, Kenner. After several years in Cincinnati, the Yonker family moved to Easton, Pennsylvania. Gary took a job running a toy company. This is where the Yonker children grew up, all three Yonker children attending Easton High School. Marc Yonker grew up enjoying Baseball, Tennis, Golf, Hunting and Fishing.
After high school the Yonker siblings all went their separate directions. Marcy went to college at the University of Virginia and then the University of Pittsburg for Medical School. Marcy is currently a Pediatric Neurologist in Phoenix, Arizona. Michael chose Georgia Tech for college and studied computer engineering. He works in the computer/cellular phone industry and currently works for AT&T as a technology executive.