Bertha Diller, née Klau was born in Poppenlauer in October 1903 as the oldest of three daughters of the cattle and horse dealer Seligmann Klau and his wife Lina, née Vollweiler. Like her two sisters she also married a non-Jewish partner. Her husband Kasper (also: Kaspar) Diller came from Kirchlauter/ District of Hassberge and initially was a butcher’s assistant in Poppenlauer. In July 1924, their son Erich was born there. Later the family moved to Garitz (now a suburb of Bad Kissingen) where her sister Hedy and her family lived in the immediate neighbourhood, too. At the beginning of the 1930s, the husbands of the two sisters, Kasper Diller and Edmund Werner, ran two restaurants in Garitz: Kaspar Diller was the landlord of the ‘Gasthaus zum Hirschen’ (in what is now Jahnstrasse), and Edmund Werner ran the ‘Gasthaus zur Erholung’. The Diller couple also got a church wedding (Catholic) according to the Garitz Church Register of 1929. 

In March 1936, the Diller family emigrated to the United States and first lived in New York. In May 1982, Bertha Diller who was 78 at that time married – maybe after the death of her first husband – the widowed Herman Gekeler in Los Angeles and lived with him until his death in February 1990. Her son Erich had married Gekeler’s daughter Dorothy Paula in 1948. Bertha Diller died in Torrance/ California in December 2000 at the age of 97.