Roland Kaiser's daughter has this cute nickname for the pop star. Roland Kaiser's children surprised their father during the anniversary show and moved him to tears.

“Dad is a role model for me when it comes to social commitment and tolerance towards other people,” says his son Hendrik, who is now also active in the music business himself. ‘The Emperor’ also seems to be a rock in the surf for his daughter Annalena, who calls him “Kaiserchen”