Rogelios last name "De La Vega" is the same as the love interest in telenovela "Juana la virgen" of which Jane the virgin is a loose adaptation of. In the fourth season, Xiomara and Rogelio deal with Darci and eventually her daughter, which she and Rogelio decide to name "Baby". Unbeknownst to him, however, Petra's twin sister Anezka paralyzes her and takes her place.

played by Eden Sher is actually River’s daughter, P.J. The two are presumably divorced. Just before the couple plans to have sex, Michael gets shot. Jane and Michael get married in the season two finale and they lived together in a house that Petra paid for without their knowing so when Anezka “turned” for Petra she didn't know about that and she stop paying and they had to move out for a small house with Mateo.
Xiomara and Rogelio get engaged and are set to be married in the third season's finale.

The script is re-written and renamed Shields' casting was announced in January 2018. Xiomara Gloriana De La Vega (née Villanueva) (portrayed by Andrea Navedo) is Jane's … However, he is seen again and comes back to life in the season 4 finale but he forgot everything because Rose caused him to have amnesia and his name was changed to “Jason” and he had lived in Montana ever since his "death".

He comes back during the penultimate episode with a heavily pregnant fiancé (played by Dier's real life fiancé, A self-involved, famous telenovela star and Jane's biological father.

Anezka goes to push Petra off the balcony of the Marbella to keep her quiet, but winds up the one to fall and die instead. She has Rafael's mother killed with only a Bible left behind for him. She chooses neither for a while and enters into a brief relationship with her mentor, Jonathan Chavez. Meanwhile, Rafael also learns that Petra's pregnant as well, thus forever intertwining their lives. He stands by, choosing to not confess his undying love to Jane on her wedding day.
If you listen closely during the final episode, during a narration, the narrator makes mention that he indeed the son of Jane and Rafael (Mateo). After Jane and Michael part ways, Jane attempts to reconcile with Rafael, but Rafael wants nothing to do with her. Alba soon learns Pablo is cheating on her though and so she breaks things off. They have Jane perform the ceremony, despite now dealing with the fact that Rogelio will in fact be having a child with his ex-girlfriend, Darci. Petra works on bettering her relationship with Jane, but this is halted when Magda kills Ivan and the two are forced to bury the body. He marries Xiomara in the season three finale. He also has feelings for Xiomara, who was his girlfriend in high school. The two eventually get back together, however break up in the fifth season after Michael is revealed to be alive. He later quits his job to become a lawyer. The character of River Fields is a spoof of the actress and while they are "equally smart, witty, and gorgeous," the network insists that the character is "vastly different" from Shields.In season 3, Brett Dier is credited as a series regular through the eleventh episode and in the twentieth episode.In season 5, Brett Dier is credited as a series regular through the seventh episode and in the seventeenth episode.Megan Ketch portrays Rose while wearing a mask of Susanna Barnett.Elisabeth Röhm portrays Rose while wearing a mask of Eileen.Elisabeth Röhm portrays Rose while wearing a mask of Eileen.

Midway through the fourth season, Xo is diagnosed with Stage III breast cancer, however fights through it and eventually becomes cancer-free in the fifth season. When he returned to Miami, Jane tried to get his memory back even though she was in a relationship with Rafael. It was revealed in "Chapter One Hundred" that his adult counterpart served as the main narrator throughout the series.