People : Hadley Koontz to Justin Koontz
Harold Koontz 6 people
Harry Koontz 3 people
Heidi Koontz 2 people
Helen Koontz 4 people
Henry Koontz 2 people
Holly Koontz 4 people
Irene Koontz 3 people
Jack Koontz 9 people
Jackie Koontz 4 people
Jacqueline Koontz 4 people
Jaimie Koontz 2 people
James Koontz 17 people
Jamie Koontz 4 people
Jan Koontz 4 people
Jane Koontz 7 people
Janet Koontz 6 people
Janice Koontz 6 people
Jason Koontz 9 people
Jean Koontz 2 people
Jeanette Koontz 2 people
Jeanne Koontz 2 people
Jeannette Koontz 4 people
Jeff Koontz 3 people
Jeffrey Koontz 19 people
Jenni Koontz 4 people
Jennifer Koontz 27 people
Jeremy Koontz 4 people
Jerry Koontz 6 people
Jesse Koontz 4 people
Jessica Koontz 6 people
Jill Koontz 2 people
Jim Koontz 3 people
Joan Koontz 5 people
Joann Koontz 3 people
Joanne Koontz 3 people
Jody Koontz 4 people
John Koontz 22 people
Jon Koontz 4 people
Jonathan Koontz 3 people
Jordan Koontz 2 people
Joseph Koontz 6 people
Joshua Koontz 6 people
Joyce Koontz 4 people
Judith Koontz 3 people
Judy Koontz 5 people
Julia Koontz 2 people
Julie Koontz 9 people
Justin Koontz 5 people