On 27 March 2003, Pielhau married Thomas Hanreich, the former singer of the group . Since she was in Khao Lak, Thailand at the time of the 2004 tsunami disaster and survived it during a diving excursion, she got involved in the Hanseatic School for Life project there, which offers orphans a future perspective. In May 2012, she had a daughter who has lived with her father since Pielhaus' death in 2016. Pielhaus separated from her husband in June 2013.