b. 1871
d. 1935
b. 1878
d. 1957
Children
Henry F. Koss(12 Feb 1904 - 23 Nov 1970)
Otto R. Koss(1910 - 1965)
Carolyn B. Koss(21 May 1913 - 21 May 2011)
Edward J. Koss(1915 - 1980)
Mary Louise Koss(10 Mar 1908 - 12 Jul 2002)
Emma Koss(14 Apr 1906 - 17 Nov 1984)