Ben Gallagher is the son of Frank and Monica Gallagher and the brother of Lip, Fiona, Ian, Carl, Debbie, Liam, Nigel, Delia, and Stella. He is the youngest Gallagher child. He was born in the Season 11 finale and the final episode of Shameless. Frank only discovered the truth when Monica suddenly went into labour in the Jockey and a horrified Frank did what he always did when faced with a shock... Sit down, have a fag and let someone else deal with it.