Lb. Sisters stars Amy Slaton and Chris Combs set out to learn if they are related to the British royal family in a teaser clip for the TLC show. Amy, 37, and Chris, 44, visited genealogist Vickie Fields in a teaser clip for the Tuesday,

Siblings Amy Slaton and Chris Combs, who star in the reality TV series 1000-Lb Sisters alongside their sister Tammy, explored their genealogy on the show and found some surprising information about their relatives.

Tammy Slaton has plenty of fans cheering her along on her weight loss journey—but nobody is more proud of her than her family. In a recent clip from 1000-Lb Sisters shared via Instagram, the reality star marked a major milestone in her physical transformation process. And her brother, Chris Combs, was there to share in the moment.

Lb. Sisters’ episode airing on Nov. 26, Amy and Chris get a genealogy test to see if they are related to royalty!