I can verify the birthday and the marriage of T. Backhaus to F. Backhaus.I never knew her maiden name,but heard her German accent for over thirty consectutive years.I knew her five grandchildren as well as her son and daughter.We lived close by for many,many years.I hold volumes of information concerning our relationship over thirty years.I never met or knew of any great,great children but am sure they exist.If you need or want further information please respond to this message board. Regards,J.D.