On 18 September 2016, it was announced, that Jansen and her husband Hannes Van Dahl, drummer of Sabaton, were expecting their first child.
Më 18 shtator 2016, u njoftua se Jansen dhe partneri i saj Hannes Van Dahl, bateristi i Sabatonit, ishin duke pritur fëmijën e tyre të parë.