Son of Karolius Pedersen Tverbakk and Agnes Tine Marie Tverbakk Widower of Brit Tverbak Father of Beate Tverbak; Private User and Pål Tverbak Brother of Torbjørn Ruben Tverbakk; Alf Peder Tverbakk; Private User; Gunnar Johan Tverbakk; Arild Lorents Tverbakk and 3 others; Kjell Tverbakk; Private User and Jan-Arne Tverbak « less Half brother of Private