Emmerdale fans were first introduced to mysterious newcomer Marcus Dean (Darcy Gray) last month.He first arrived in the village after being contacted by Rhona Goskirk (Zoe Henry), who had a message from Marcus' father Pierce Harris for him.Marcus was later contacted by Vanessa Woodfield (Michelle Hardwick) posing as Rhona, telling him it was a mistake and that she had never reached out to him.Marcus later showed up in the village and he and Rhona discovered Vanessa's deceit.Rhona and Marcus talked and opened up about their experiences with evil Pierce.Marcus considered going to see his dad but, before he had the chance to, he got a call from the prison informing him that Pierce had died.He later met up with solicitor Ethan Anderson (Emile John) at Café Main Street to discuss his fathers will.Emmerdale spoilers have revealed that Ethan and Marcus will grow closer in upcoming scenes despite Rhona trying to interfere in their relationship.While fans believe Marcus' dad is evil rapist Pierce, there maybe more than meets the eye with the character.Bookies have Marcus to be exposed as not Pierce Harris' biological son at 7/2.Alex Apati of Ladbrokes told Daily Star: "Things are far from over in Marcus' story, and at this point we can't confidently rule out a parental shock in the coming weeks and months."Could Marcus be related to another villager?Not much has been mentioned about Marcus' mum since his arrival.Sharing their thoughts online, one fan of the ITV soap seemed to think that Marcus' mum could be Tess Harris (Nee Merton), who previously had an affair with fan favourite Paddy Kirk (Dominic Brunt).Jumping onto Twitter, one curious fan questioned: "Is Marcus Tess' son?"Tess was Pierce's first wife - so it does make sense
