Agatha Pauline Ubell was born on October 10th, 1906 in New Kolonia, Novgorod, Sumara, Russia. She met Charles Rigelhof and they were married on November 25, 1925 in Windsor, Ontario, Canada at Our Lady of the Lake church on Riverside Drive.

After living briefly with her parents, Charles and Agatha moved to their home on Bernard Road in Sandwich East where they brought up their six children.

After Charles retired from the Ford Motor Company, they moved to Riverside, Ontario along with their daughter Helen. They then moved from an apartment to a home on xx drive, and later moved back to an apartment, where Helen took her own apartment as well. After Helen and Charles died, Agatha moved to an apartment on Riverside Drive, where she lived until she passed away on November 11th, 1986.