Big Brother Mark Jansen -- 8 things to know about the 'Big Brother' Season 19 houseguest 08/09/2017 Mark Jansen may be in trouble right now on Big Brother's nineteenth season. Read More RELATED NEWS 'Big Brother' couple Jessica Graf and Cody Nickson welcome fourth baby together'Big Brother' couple Jessica Graf and Cody Nickson expecting fourth child together'Big Brother' couple Jessica Graf and Cody Nickson welcome another baby girl together TAGS: Big Brother Elena Davies Jessica Graf Mark Jansen Josh Martinez Cody Nickson