The following is from www.cpl.org (click on Necrology File).
Name: Sack, Louis Date: March 10, 1912 Source: Source unknown;Cleveland Necrology File, Reel #070. Notes: Sack-Louis, age 63 years, March 9 at his residence, 3117 W. 33d st. Services Tuesday, Mar. 12 at 2 p. m. standard. Friends invited. Monroe Cemetery Cleveland, Ohio.
Name: Sack, Ernstine Date: Mar. 25, 1925 Source: Source unknown;Cleveland Necrology File, Reel #070. Notes: Sack-Ernstine, widow of the late Louis Sack, died at 4 p. m. Sunday, March 22, at residence of her daughter, Mrs. W. C. Obrath, 2246 W. 11th street, mother of Herman, Fred, Louis, Edward, John, Mrs. Art Stouffer, Mrs. J. E. Morgan and Mrs. William P. Hanchett. Funeral 2:30 p. m. Wednesday, March 25, from residence of her daughter, Mrs. W. C. Obrath. Friends invited.
Name: Seifert, Helen Date: Dec 30 1938 Source: Source unknown;Cleveland Necrology File, Reel #073. Notes: Seifert: Helen (nee Sack), beloved wife of John K., sister of Herman, Fred, Louis, John, Mrs. Emma Oberrath, Mrs. Alvina Yokel and the late Bertha Morgan, Millie Miller and John. Now at Cochran's Funeral Home, 2237 Holmden ave., where services will be held Saturday, Dec. 31, at 3 p. m. Friends received after Friday noon.