Wilhelmina Augusta Sophia "Minnie" Milhan was born on November 30, 1847 in Gross Wokern, Germany. On November 8, 1968, she married Heinrich Ernst Carl Diedrich "Henry" Rambow and they emigrated to America in 1874.

Two of her daughters, Mary and Fredareka married two of the sons of August and Rika (Knaack) Heiden, William Carl and Herman, respectively. She and her descendants, both Heiden and Rambow are covered in more detail in other parts of this website.