1. | Mary was born in 1850 in Germany; and died. Family/Spouse: PROEFROCK, Johann Friedrich. Johann (son of PROEFROCK, Johann and VOELKER, Christine) was born on 10 Sep 1844 in Niagara County, NY; died on 27 Mar 1912 in Saint Paul, Ramsey County, MN. [Group Sheet] [Family Chart]
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2. | PROEFROCK, John (1.Mary1) was born in 1871 in Tonawanda, Erie County, NY; and died. |
3. | PROEFROCK, William (1.Mary1) was born in Jan 1877 in NE; and died. |