While Meghan Markle is close with mother Doria Ragland, it’s no secret that her relationship with dad Thomas Markle is strained (to put it nicely). Since Meghan started dating Prince Harry, both Thomas and half-sister Samantha have done everything in their power to turn a personal profit from her newfound fame, going so far as staging paparazzi photos and bashing Meghan’s character in interviews and on social media. Most recently, Meghan’s estranged half-sister gave a TV interview defending their dad, in which she seemed to confirm reports that UK publishers plan to call Thomas to testify against the Duchess. Thomas appearing in court could make Meghan’s life a lot harder — here’s what we learned about his possible involvement.