Born in May of 1832 in Braunshweig, Stadtkreis Braunschweig, Lower Saxony, Germany, Heinrich Frederick "Henry" Rehmann was the son of Carl Heinrich Conrad "Conrad" and Sophia (Heineke) Rehmann.

He immigrated from Germany with his family on the SS Louise Marie which landed in Philadelphia on May 16, 1851.

Around 1860, he married Christina Sophia Roller in Philadelphia.

They had 9 children:

  1. Louisa Sophia (Rehmann) Roggermann (1863-1932)
  2. Christiana Mary Rehmann (1866-)
  3. George Charles Conrad Rehmann (1868-1943)
  4. Heinrich Christian "Henry" Rehmann (1870-1936)
  5. Christian Wilhelm Rehmann (1872-)
  6. Anna Elizabeth "Annie" Rehmann (1874-)
  7. Maria Margareta "Mary" (Rehmann) Emeley (1876-1960)
  8. William Rehmann (1879-1908)
  9. Frank Edward Rehmann (1883-)

In the 1880 census, they were listed as living on Virginia Ave in Atlantic City, New Jersey. Henry was a laborer at a company in Atlantic City. By 1900, he was a farmer living on State Road in Franklin Township, Gloucester County, New Jersey.

Henry died on June 1, 1921 in Millville, Cumberland County, New Jersey and is buried at Rose Hill Cemetery in Linden, New Jersey. He was preceded in death by his wife, Christina, who was born in 1840 and passed about 1911. She is also buried at Rose Hill Cemetery.