Mabel (Bohnsack) Hammer was the sister of my gg-grandfather, Leo Bohnsack.  She was born in July of 1894 in Illinois to Carl Herman Bohnsack and Carolina Sophia Wulff.  She was the middle child; my gg-grandfather was the oldest and the youngest was Mary.  She married Alvin Hammer on January 22, 1913.  Alvin and Mabel had…