His brothers - Peter Jr., Bernhard, Ruedi and Werner are curlers too.
They won Swiss and European championships and Worlds medals when they played on Peter Jr.'s team.
[4] Bernhard's daughter, Sandra Ramstein-Attinger[5] is a competitive curler too.
She played in three Women's Worlds with teams skipped by Silvana Tirinzoni and Binia Feltscher-Beeli.
This biographical article relating to curling in Switzerland is a stub.