Sports Five things to know about Tim Tebow’s fiancee, Demi-Leigh Nel-Peters January 10, 2019AJ Neuharth-Keusch, USA TODAYComments Off on Five things to know about Tim Tebow’s fiancee, Demi-Leigh Nel-Peters Meet Tim Tebow's fiancee, Demi-Leigh Nel-Peters, who is a former Miss Universe from South Africa. The couple got engaged on Wednesday.