People : Irvin Groff to Jonell Groff
Isabel Groff 2 people
Jackie Groff 2 people
Jacob Groff 2 people
Jacqueline Groff 6 people
James Groff 22 people
Jamie Groff 4 people
Jane Groff 7 people
Janelle Groff 2 people
Janet Groff 14 people
Janice Groff 5 people
Jared Groff 2 people
Jason Groff 12 people
Jay Groff 7 people
Jean Groff 8 people
Jeffrey Groff 6 people
Jennifer Groff 28 people
Jeremiah Groff 2 people
Jesse Groff 2 people
Jessica Groff 6 people
Jill Groff 3 people
Joan Groff 11 people
Joann Groff 2 people
Joanne Groff 5 people
Jodi Groff 2 people
Jody Groff 3 people
Joe Groff 2 people
Joel Groff 4 people
John Groff 33 people
Jonathan Groff 2 people