They are both in the Liberty Caucus. There's a fair overlap in membership between the two. Aims are slightly different - I think.
Here's the Liberty Caucus list....
Justin Amash of Michigan, Chair[3]
Dave Brat of Virginia[citation needed]
Jim Bridenstine of Oklahoma[4]
Michael C. Burgess of Texas[citation needed]
Curt Clawson of Florida[citation needed]
Ron DeSantis of Florida[4]
Jeff Duncan of South Carolina[4]
Jimmy Duncan of Tennessee[4]
Scott Garrett of New Jersey[4]
Chris Gibson of New York[1]
Louie Gohmert of Texas[4]
Paul Gosar of Arizona[4]
Trey Gowdy of South Carolina[4]
Morgan Griffith of Virginia[5]
Andrew P. Harris of Maryland[4]
Tim Huelskamp of Kansas[1]
Walter B. Jones, Jr. of North Carolina[4]
Jim Jordan of Ohio[3]
Raul Labrador of Idaho[3]
Cynthia Lummis of Wyoming[4]
Ted Poe of Texas[1]
Bill Posey of Florida[1]
Thomas Massie of Kentucky[3]
Tom McClintock of California[4]
Mark Meadows of North Carolina[3]
Mick Mulvaney of South Carolina[3]
Reid Ribble of Wisconsin[1]
Dana Rohrabacher of California[1]
Todd Rokita of Indiana[4]
Matt Salmon of Arizona[4]
Mark Sanford of South Carolina[4]
David Schweikert of Arizona[4]
Jason T. Smith of Missouri[1][better source needed]
Marlin Stutzman of Indiana[4][not in citation given]
Ted Yoho of Florida[4]
Glad to see my (former, unfortunately) Congressman, Jim Jordan on both lists.
He's the real thing.