Joachim Gottfried Carl Rambow was born on March 12, 1855 in Gross Wokern, Meckelnburg-Schwerin, Germany. His parents were Heinrich, Sr. and Elisabeth (Müller) Rambow.

In 1904, he married Wilhelmina Schultz and they had eight children:

1. Bertha M. (Rambow) Heck (1881-1959)

2. Ludwig Friedrich Karl "Louis" Rambow (1883-1908)

3. Karl Wilhelm Martin "Charles" Rambow (1886-1900)

4. Son 1 Rambow (1888-1888)

5. Emma Johanna Wilhelmina Rambow (1888-1911)

6. Clara Wilhelmina Maria Rambow (1893-1907)

7. Anna Rose (Rambow) LaVoy (1896-1924)

8. Son 2 Rambow (1896-1896)

Joachim died on January 7, 1907 at the age of 51.

Joachim was the brother to Henrich Rambow, Jr. and uncle to Mary and Reka Heiden.