There has been no confirmation on whether he will attend the May 19 nuptials.
In an interview with the Daily Mirror, Thomas Markle Jr revealed: "Meg likes to portray herself as a humanitarian, a people's person and a charitable person but she is none of those things to her family".
The 51-year-old window fitter was arrested early last year for allegedly pointing a gun to his girlfriend's head during an argument.
Both she and actor Patrick J Adams will be walking away from the show after the episode airs.
"You are the husband I've always wanted", she tells him. "She's clearly forgotten her roots and her family".
He is the latest relative on her father's side to go public on the apparent family rift. "She wants to be Princess Diana 2.0", Priddy is quoted as saying. "Diana was worshipped by everyone in the world, she was loved for the right reasons".More news: Celtics 113, Bucks 107, OT: Boston outlasts Milwaukee for Game 1 win
I think Meghan's dress will be in a delicate lace with very subtle beading, designed with a deep V neckline and long lace sleeve.
While everyone knew that the Emanuels were designing Diana's dress when she married Prince Charles in 1981, Meghan's designer is a closely guarded secret.
On the other hand, Thomas Jr., the half-brother of Meghan Markle slammed her for not inviting them to her wedding day.
Emma Bridgewater makes some handsome ceramics and has some celebrity fans of her gorgeous products including Holly Willoughby.
Samantha added: "At issue is not a matter of closeness as more than 1000 complete strangers are invited".