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John August Grenzig Jr.
1863 - 1944  age 80

Owned a Milk Business
with 6 wagons


Born June 30th, 1863 Germany

bulletChristening Aug 9, 1863  Sankt Jakobi Church, Berlin Germany
bullet1870 came to USA with his Father, Mother, Sister and Brother
by ship: Westphalia
bulletGrew up in Brooklyn
bulletLived with Uncle and Aunt Grenzig when his parents came down with Small Pox. Uncle was fathers cousin. Uncle came to US in 1866.
bullet1873 moved into a 3 story, four family home built by his Father at
25 Starr St. Brooklyn, NY, Father was a Mason.
bulletat age 10 started to collect stones
bulletage 14 (abt 1877) left school and worked for 
George Monroe Publishing Co. , New York City
bullet7/24/1888 Engaged to Mary A. Rehberger
bullet4/13/1889 Married Mary   Marriage Certificate
bulletHad three Children: Helena Sophia 12/22/1890,
William Henry 4/29/1892, August John 10/8/1894
bulletPeddled Flowers
bulletMilk Business, grew to 6 wagons
bulletButton Business with Joe Rehberger, Mary's brother
invented a new button stamping machine
bulletGrocery Store, Myrtle Ave.
bulletMoved to Jamaica Queens 1902
bulletGrocery and Vegetable Store for 5 years, Bohack moved in, forced their close down.
bulletAttended Cooper Union College, Graduated as an Assessor
bulletJob as Electricians Helper, then mechanic, Stewart & Lewis Company
bulletStarted Electrical Business, J. A. Grenzig & Son 1909, active until 1944 at age 80, Business continued to be run by his son Gus and grandson Albert.  Invented a Tilting Holder
bulletSilver Wedding Anniversary 4/15/1914
bulletGolden Wedding Anniversary 4/13/1939 
bulletPassed away April 8, 1944   age 80  news1, R&M Obituary1,
                                                               R&M Obituary2
bulletBuried at Evergreen Cemetery, Brooklyn NY, Family Plot


Much has been written about JAG Jr., some of it from his sons letter of 1970. 
Some other documents about John are

Remembrances by Billy Grenzig  written Sep 2002

Golden Wedding Anniversary 1939

Leader Observer Obituary

Queens Mineral Society Memorial Letter

Brooklyn Eagle Obituary

Unknown Obituary

Letter to Board of Elections 1943

Picture abt 1940